7/31/2026

My Type 1 Diabetes Journey: Insights on Blood Sugar Control and Life's Transformations

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Looking back at my experiences and bodily changes since being diagnosed with diabetes, I've realized that while there were difficult symptoms and shifts, there were also positive transformations stemming from reviewing my lifestyle. I've compiled my observations from listening to my body and some medical insights, hoping they can be helpful to anyone facing similar challenges.

Summary

Hospitalization and carbohydrate restriction led to a weight loss of approximately 5kg, which I have since maintained.
I experienced declining eyesight and worsening presbyopia, requiring me to switch to stronger progressive lenses five months after discharge.
Due to changes in my gut environment and autonomic nervous system, I became prone to constipation, and bowel movement frequency decreased.
With age and changes in my nutritional status, I started noticing thinner hair and more gray hairs.
Stabilized blood sugar levels led to a noticeably improved and clearer morning wake-up.
I was able to shift towards a healthier diet, including reducing snacks and alcohol.

[Weight Changes and Physical Condition]

As shown in the graph, my weight dropped sharply by about 5kg to around 55kg in February, after my hospitalization, from approximately 61kg until December.
By continuing carbohydrate restriction after discharge, I've been able to maintain a healthy weight of 55kg to 56kg.
【Medical Perspective】The rapid weight loss is likely due to muscle and fat breakdown from decreased insulin action, as well as the effects of hospital treatment. However, subsequent carbohydrate restriction has prevented rebound and positively impacted blood sugar control.

[Eyesight Issues, Eye Discomfort, and New Glasses]

About five months after discharge, I noticed a change in my vision and had the prescription for my left eye changed from -6.5 to -8.0.
In addition to the effects of aging past 50, my near vision also worsened, so I had progressive lenses made.
【Medical Perspective】When blood sugar levels rapidly improve from a state of hyperglycemia, temporary refractive errors (blurred vision) can occur due to osmotic changes in the eye's lens. It's possible this, combined with age-related presbyopia, led to such a significant change.

[Bowel Movements and Gut Environment Changes]

Whereas I used to have daily bowel movements, I now rarely feel the urge and have become constipated, with movements only every 2-3 days.
I've found myself straining more in the toilet, and along with the constipation, I've become concerned about the odor of flatulence.
【Medical Perspective】It's believed that autonomic nerve dysfunction due to diabetes, along with reduced intake of dietary fiber, water, and fats from dietary restrictions, has slowed down bowel motility, leading to constipation and foul-smelling flatulence.

[Hair Quality and Hair Changes]

Compared to before, I've noticed my hair becoming thinner and the amount of gray hair increasing.
While age is likely a factor, this was one of the physical changes I observed.
【Medical Perspective】In addition to age-related factors, reduced peripheral blood flow due to hyperglycemia and temporary changes in nutritional balance during the acute phase of treatment may have impacted scalp health.

[Welcome Health Improvements I Experienced After Onset]

Previously, I often felt groggy when waking up in the morning, but now I feel refreshed upon waking more frequently.
【Medical Perspective】It's thought that suppressing hyperglycemia and nocturnal blood sugar fluctuations has improved sleep quality and reduced morning fatigue.
I was able to significantly revise and improve my diet, including reducing snacks and limiting alcohol.
【Medical Perspective】A disciplined diet contributes not only to blood sugar control but also to reducing the burden on internal organs and maintaining overall health.

⚠️ Important Notice Regarding Use
The blood glucose data and graphs presented in this article are solely personal measurement records and impressions, and do not recommend or guarantee specific medical treatments, dietary therapies, or diagnoses. Individual variations exist in blood glucose fluctuations and bodily responses. If you are currently undergoing treatment or observing dietary restrictions, please consult your primary physician or a registered dietitian according to your own physical condition. This blog bears no responsibility for any damages incurred through the use of this information.

ℹ️ Note for International Readers:
• Portion Sizes: The food portions and nutritional data featured in this blog are based on standard Japanese serving sizes, which may be smaller than typical Western servings.
• Net Carb Calculation: Net Carbs = Total Carbs - Dietary Fiber.

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7/26/2026

Weekly Glucose Report (2026/07/25)

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This Week's Blood Glucose Management Summary

Looking back at my blood glucose management this week, I feel that overall it was a very productive week. In particular, my Time in Range (TIR: the percentage of time blood glucose levels remained within the target range) exceeded the target benchmark of 70%, and being able to secure many stable periods has given me a great deal of confidence. I am happy to see that small daily efforts are reflecting well in the numbers.

On the other hand, I was concerned about instances where my blood glucose levels rose significantly for a temporary period in the afternoon on certain days of the week. This week's challenge has revealed that variations in blood glucose fluctuations depend on the contents of my lunch and how I spent my time afterward.

Heading into next week, I want to focus on how to gently control these sharp afternoon spikes. Rather than aiming for perfection, I will take it step-by-step with a positive attitude, staying in tune with my body's natural rhythm.

Weekly Trend Analysis

Looking at this week's trends, the average blood glucose level was 159 mg/dL, and the Time in Range (TIR) was 75.3%, maintaining a good standard of control. Additionally, the Coefficient of Variation (CV), which indicates the fluctuation in blood glucose levels, was 32.7%, safely below the 36% threshold generally considered a benchmark for stability.

Please note that specific values for the Glucose Management Indicator (GMI: an index close to estimated HbA1c) and the detailed percentages of high and low blood glucose could not be confirmed from the image. Additionally, a detailed comparison with the previous week's data could not be verified from the image; however, the current situation where TIR exceeds 75% is considered a very positive change. Although there was a temporary spike in high blood glucose on Friday (peak at 365 mg/dL), the overall trend did not collapse significantly, and I feel a stable foundation is being established.

Daily Summary Analysis

Reflecting on the daily trends, there were characteristic movements depending on the day of the week. The best day this week was Thursday (7/23), with an average blood glucose level of 124 mg/dL and a peak of only 175 mg/dL, achieving highly stable and ideal control throughout the day. It is likely that food choices and moderate post-meal activity aligned well on this day.

Conversely, Friday (7/24) saw the largest fluctuations, with the average blood glucose level rising to 189 mg/dL and recording the week's peak of 365 mg/dL in the afternoon. Tuesday (7/21) also showed a significant increase from afternoon to evening, with an average blood glucose level of 171 mg/dL (peak of 318 mg/dL). It is suspected that lifestyle habits, such as an imbalance in carbohydrate intake during lunch or decreased physical activity after meals, may be associated with these days.

AGP Analysis

Analyzing the AGP (Ambulatory Glucose Profile), which comprehensively shows the 24-hour blood glucose fluctuation pattern, highlights distinct characteristics for each time period. First, during the nighttime hours (00:00 to 06:00), although blood glucose levels trended around 150 to 180 mg/dL—close to the upper target limit (180 mg/dL)—the width of the graph (variation) was extremely narrow, showing highly stable trends throughout the night.

From morning to noon (06:00 to 12:00), blood glucose levels tend to decline gradually toward around 100 mg/dL. Even during the period when blood glucose levels were at their lowest, no trend of severe hypoglycemia falling below the 70 mg/dL baseline could be confirmed from the image, suggesting that the risk of hypoglycemia was low throughout this entire week.

On the other hand, the afternoon period (around 13:00 to 18:00) is the point where the risk of hyperglycemia and the range of fluctuation are greatest. While the median (50% line) remains around 150 mg/dL, the shading representing daily variation (especially the 95% line) extends significantly upward past 300 mg/dL, indicating that there is a large intra-individual variation in blood glucose elevation after lunch.

What Went Well This Week

Time in Range (TIR) reached 75.3%, successfully clearing the recommended benchmark of 70% or higher.
The Coefficient of Variation (CV), showing blood glucose fluctuations, stayed within 32.7%, maintaining the target threshold of 36% or lower.
Achieved an outstanding and highly stable trend on Thursday (7/23), remaining within the target range all day.
Blood glucose fluctuations from nighttime to early morning were extremely small, showing high glucose stability during sleep.

Points to Improve Next Week

Be mindful of approaches to suppress rapid post-meal blood glucose spikes (glucose spikes) after lunch, as seen on Tuesday and Friday afternoons.
Adjust the eating order during lunch (such as vegetables first) and incorporate activities like a light walk after meals.
Stay mindful of the overall picture by combining daily physical changes with metrics that could not be verified from the image, such as GMI and comparisons with the previous week.

Summary

This week was a delightful one, as I identified a specific improvement theme—the sharp post-lunch spike—while achieving an excellent result of 75.3% TIR. I feel that by carefully listening to my body, I am gradually grasping the knack of blood glucose control. The goal is not just perfect control, but living a comfortable and healthy life every day. Let's continue managing blood glucose with a positive mindset and have fun with it next week!

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7/24/2026

Type 1 Diabetes: My Journey to Stable Blood Sugar Control

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My blood sugar dipped in the evening, and I started experiencing mild hypoglycemia symptoms (a feeling of unease and shaky hands). Thanks to a timely boost with ramune candies, I was able to prevent a sharp drop. With the hot season approaching, there's always the worry of emergency snacks melting in my bag, but ramune is a reliable, melt-proof option I can carry anywhere. The blood sugar rise was gentler than expected, and the subsequent stabilization was perfectly ideal, making for a reassuring day.

Highlights

After 4:30 PM, my blood sugar dropped to 74 mg/dL, and I started feeling signs of hypoglycemia.
Eating 3 large-grain Morinaga Ramune candies gently raised my blood sugar by approximately 37 mg/dL.
The peak after the snack was kept around 111 mg/dL just after 5 PM, and the subsequent decline was very smooth.

[My Ramune Glucose Data]

Around 4:30 PM, you can clearly see the graph line dip to 74 mg/dL, just touching the green dotted line.
After eating 3 ramune candies around 4:50 PM, the graph gracefully curved upwards, forming a gentle peak.
Without any sharp spikes, by 5:30 PM, my blood sugar smoothly returned to a stable range in the 80 mg/dLs.

7/22/2026

Japanese Food Mastering Blood Sugar with Type 1 Diabetes: A Personal Journey

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　Here's how my blood sugar reacted after I had a Châteraisé soda ice pop for an afternoon snack. The impact of this frozen treat, which contains no fat or protein, is clearly visible in the graph.

　I know I seem to eat a lot of Châteraisé ice cream, but that's just because there's one nearby and they have so many tasty *and* affordable options. Rest assured, I am definitely NOT a shill for Châteraisé! (lol)

Key Takeaways

My blood sugar started rising immediately after eating the ice pop.
Since it contained absolutely no fat or protein, the carbohydrates seemed to be absorbed directly and quickly.
Although it seemed to stabilize for a moment, the subsequent rise in blood sugar is likely due to my lunchtime insulin wearing off and the effects of coffee.

My Blood Sugar After a Soda Ice Pop

The characteristics of this frozen treat—0.0g of fat and protein, and 13.4g of carbohydrates per stick—directly led to a significant spike in blood sugar.
The sugars and high-fructose corn syrup in the ingredients have a high GI (glycemic index, or speed of carbohydrate absorption), which I believe caused the rapid blood sugar increase seen in the yellow-hatched section starting from 14:20.
From a low of 97 mg/dL at 14:20, my blood sugar rose to approximately 130 mg/dL within just 50 minutes, during the hatched period.
Overall, there was a substantial blood sugar spike of +54 mg/dL. The subsequent rise is likely due to having almond sardines with coffee, and my lunchtime insulin effect wearing off. (My best guess!)
Despite being a modest 51 kcal, my blood sugar still climbed this high, simply because there was no "cushioning effect" from fat.

⚠️ Important Disclaimer
The blood sugar data and graphs presented in this article are solely personal measurement records and observations, and are not intended to recommend or guarantee specific medical treatments, dietary plans, or diagnoses. Blood sugar fluctuations and bodily reactions vary individually. If you are currently undergoing treatment or following a restricted diet, please consult your primary physician or a registered dietitian to best suit your personal health condition. This blog assumes no responsibility for any damages incurred from the use of this information.

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*Medical Disclaimer: The content on this blog represents the author's personal records for informational purposes only. Always consult with your doctor.

7/21/2026

Type 1 Diabetes: My Blood Sugar Hit 476 After Forgetting Insulin – A Day of Extreme Fluctuations!

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I completely forgot to inject my 12 units of fast-acting Humalog insulin before lunch. I'm now acutely aware of just how directly a meal without insulin impacts my blood sugar levels and the crucial role insulin plays. Although I frantically tried to correct it in the evening, the rest of the day, leading into the night, became a chaotic rollercoaster of extreme fluctuations.

【Summary】

Forgetting my 12 units of insulin before lunch led to a rapid post-meal blood sugar spike.
My lunch consisted of one bowl of rice, a piece of teriyaki yellowtail, kimchi natto, and one broccoli floret, so the main carbohydrate source was essentially the rice.
The peak value on my glucose graph for this incident shot off the charts, reaching a staggering 476 mg/dL.
It became clear that eating a meal without insulin can cause my blood sugar to rocket by a massive +325 mg/dL from baseline.
Noticing the high blood sugar, I administered an additional dose in the evening, but this led to intense fluctuations, with my levels plummeting rapidly overnight.

[Data from Forgetting Insulin Before Lunch]

Before 1 PM, my levels were very stable, around 130 mg/dL, but immediately after starting my meal, the graph surged with an abnormal, near-vertical climb.
Just after 4 PM, it reached an dangerously high peak of MAX 476 mg/dL, a level where I could truly feel my body in distress.
Around 4:30 PM, startled by how high it was, I realized I needed to act and attempted to correct it by administering an additional 2 units of Humalog.
After 6 PM, once the additional dose began to take effect, my levels reversed course and plummeted rapidly.

⚠️ Important Notice
The blood sugar data and graphs published in this article are solely personal measurement records and impressions, and do not endorse or guarantee any specific medical treatment, diet, or diagnosis. Blood sugar fluctuations and bodily reactions vary from person to person. If you are currently undergoing treatment or on a restricted diet, please consult your primary doctor or a registered dietitian in accordance with your own health condition. This blog assumes no responsibility for any damages arising from the use of this information.

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7/20/2026

From 828 mg/dL to Recovery: My Type 1 Diabetes & Blood Sugar Journey

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📊 Weekly Recovery Summary

I’ve put together a summary table of my key lab results to show just how far my body has come since being on the brink of a life-threatening crisis. I ended up in the emergency room because I arrogantly assumed that "a little fatigue can be slept off." Seeing the trajectory of my recovery in hard numbers is mind-blowing even to me. Moving forward, I want to live in harmony with this condition, stay positive, and truly listen to my body's daily signals.

[My Path to Recovery: Key Lab Results]

【Analyzing My Weekly Summary】

My blood sugar, which clocked in at a terrifying 828 mg/dL on the day of my admission, has successfully stabilized at a healthy 118 mg/dL in my latest labs.
My CPK levels, which measure muscle damage, made a miraculous V-shaped recovery from a dangerous 11,806 U/L and are now safely back in the normal range.

【Analyzing My Daily Blood Glucose Profiles (AGP)】

My kidney function (creatinine), which was crying out for help at a peak of 2.03 mg/dL, has beautifully stabilized in the safe zone at 0.89 mg/dL post-discharge.
The tests I dreaded most—tumor markers (CA19-9) and IgG4 levels—have both come back officially "negative" during my recovery phase, letting me breathe a massive sigh of relief.

Lab Test	Admission Day (Peak Crisis)	Pre- to Post-Discharge	Latest (Recovery Phase)
Blood Sugar	828 mg/dL	137 mg/dL	118 mg/dL
HbA1c	7.1%	7.4%	7.0%
CPK (Muscle Damage)	11,806 U/L	58 U/L	Normal Range Maintained
Creatinine (Kidney Function)	2.03 mg/dL	0.86 mg/dL	0.89 mg/dL
CA19-9 (Tumor Marker)	401.0 U/mL	60.6	Confirmed Negative
IgG4	146	135	Negative
AST / ALT (Liver Function)	157/110 U/L	16 / 25 U/L	14 / 14 U/L

A Final Thought: To My Past Self, Who Took Health for Granted

I ended up in the ER because I was incredibly arrogant about my body, believing that "a minor fever or feeling off can just be slept away."

When things go wrong inside your body, they often progress silently and without warning. To everyone reading this, please let my story be a cautionary tale: do not ignore your body’s subtle warning signs, and make sure to get regular checkups.

This marks the end of my chaotic "hospitalization and diagnosis" chapter. Moving forward, I plan to share positive updates on my daily life as I learn to live in harmony with this condition and build a healthier, more fulfilling future. Thank you all so much for your support!

Glycemic Graph Lab: Recommended Books on Diabetes

⚠️ Disclaimer
The blood glucose data and charts featured in this article are personal records and reflections only. They are not intended to recommend or guarantee any specific medical treatments, dietary plans, or diagnoses. Blood sugar fluctuations and bodily responses vary greatly from person to person. If you are currently undergoing treatment or have dietary restrictions, please consult your primary physician or a registered dietitian regarding your specific condition. This blog assumes no responsibility or liability for any actions taken based on the information provided here.

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7/19/2026

Weekly Glucose Report (2026/07/18)

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This Week's Blood Glucose Management Summary

Overall, this was a very well-managed week, with the Time in Range (TIR) reaching 81.3%, significantly exceeding the target of 70%. The average blood glucose level was also stable at 147 mg/dL. I am absolutely delighted to see that my daily small efforts are translating into concrete results.

However, there was a point of concern in the latter half of the week, particularly during the early hours of Thursday, when my blood glucose temporarily spiked to 331 mg/dL. While this might have been caused by the timing or content of the previous night's dinner, the week was otherwise peaceful without any major disruptions. I feel like giving myself a well-deserved pat on the back.

Next week, I hope to maintain this positive momentum while introducing some adjustments to better stabilize my overnight blood glucose levels, aiming for an even more comfortable daily routine.

Weekly Trend Analysis

Looking at the weekly trend report in Image 0, the average blood glucose level for this week was 147 mg/dL. The most rewarding part was that the Time in Range (TIR), which indicates the percentage of time spent within the target glucose range, reached 81.3%. This is well above the recommended benchmark of 70%, showing a trend where daily efforts are bearing fruit.

The Coefficient of Variation (CV), which indicates blood glucose variability (the magnitude of fluctuations), was 35.7%. Since a CV of less than 36% is generally considered the benchmark for stable blood glucose, it suggests that my levels were managed with relatively gentle fluctuations this week. Please note that GMI (Glucose Management Indicator) and comparison data with the previous week could not be confirmed from this image. Overall, avoiding extreme hypoglycemia (with a minimum value of 69 mg/dL) and spending the week safely was a major achievement.

Daily Summary Analysis

Let's look back at the daily characteristics using the daily summary in Image 1. The best day of this week was Tuesday, July 14, which recorded an excellent average blood glucose level of 116 mg/dL. The graph's curve was also very gentle, suggesting that the balance of meals and physical activity aligned perfectly throughout the day.

On the other hand, the day with the greatest blood glucose fluctuation was Thursday, July 16. The average blood glucose rose to 203 mg/dL, and around 2:30 AM, it recorded the week's highest value of 331 mg/dL. This was likely because the blood glucose spiked late the previous night (Wednesday) and remained high until dawn. Since late-night dinners or overnight snacks may have had an impact, this serves as an important insight for reflecting on daily habits.

AGP Analysis

Let's take a closer look at the AGP (Ambulatory Glucose Profile: a graph that overlays several days of data onto a 24-hour scale to analyze trends) in Image 2. Looking at the 24-hour trend (the dark blue median line), levels are relatively stable between 100 and 150 mg/dL during the day, but tend to rise close to 190 mg/dL between 14:00 and 16:00. This is likely due to the postprandial spike from lunch.

Regarding overnight stability, the light blue band on the graph (the 95% range indicating variability) expands significantly upward during the night (00:00 to 06:00). This indicates that overnight hyperglycemia (over 250 mg/dL) occurred on some days, showing large day-to-day variations. Regarding hypoglycemia risk, although there are times when levels temporarily dipped close to 70 mg/dL, the median line remained consistently within the target range, suggesting that the overall risk is low.

What Went Well This Week

Time in Range (TIR) reached 81.3%, comfortably exceeding the target benchmark of 70%
The Coefficient of Variation (CV), indicating blood glucose variability, stayed under the 36% stability benchmark at 35.7%
Had a highly stable and ideal day on Tuesday, July 14, with an average of 116 mg/dL
Navigated the week safely without experiencing any extreme hypoglycemia

Areas for Improvement for Next Week

Try eating dinner earlier to prevent overnight hyperglycemia like the one observed in the early hours of Thursday
Adopt a "vegetables first" eating order and light post-meal exercise to moderate the post-lunch blood glucose rise between 14:00 and 16:00
Reduce the daily overnight blood glucose variability (the width of the AGP band) to maintain stable control during sleep
Avoid snacking before bedtime, or establish a habit of swapping snacks for low-carb options if needed

Summary

This week was a rewarding one, as daily efforts clearly showed in the results, with the Time in Range (TIR) exceeding 80%. Although there were times when blood glucose levels temporarily spiked, looking back objectively through reports like this allows us to positively plan, "Let's try this next time!" Let's not strive for perfection, but instead take care of our bodies and continue enjoying our health management journey step by step next week!

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My Type 1 Diabetes Journey: Mastering Blood Sugar Control

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[Facing My Fears: The Data and Emotional Rollercoaster of My Re-hospitalization & Precision Needle Biopsy]

My hospitalization was triggered by persistently high IgG4 levels—suggesting possible Autoimmune Pancreatitis (AIP)—along with a visibly swollen pancreas on my contrast CT and MRI scans. To get a definitive answer, I was put under close observation.
IgG4 Reference Levels: 146 (At admission) → 135 (1 month later)
The thought of an Endoscopic Ultrasound-Guided Fine-Needle Aspiration (EUS-FNA)—where a fine needle is passed through the stomach wall to harvest tissue—was absolutely terrifying. The mere mental image stressed me out. A knowledgeable friend even warned me, "If it's a tricky procedure, you should swap hospitals to find a high-volume specialist." I was torn, but ultimately stuck with my original doctor. Funnily enough, when I researched it a few days beforehand, I realized this is actually a very standard procedure and not nearly as daunting as I'd feared (lol!).
On the day of the procedure, the sedative knocked me right out, and the next thing I knew, I was back in my hospital room. It felt just like getting a routine endoscopy. Aside from a slightly bloated tummy, I felt completely fine. I breathed a huge sigh of relief when my doctor confirmed, "Everything went perfectly." If the results came back positive, I would have faced the ultimate challenge for a Type 1 Diabetic: steroid therapy and the explosive blood sugar spikes that come with it. Waiting for the results was an absolute nerve-wracking ordeal.

[The Verdict: My Test Results]

Two weeks later, the biopsy results came back. (According to medical guidelines, they look at things like the rate of abnormal cell infiltration). The verdict? "The pancreas does not present like AIP. Pathology is negative for AIP. => No issues detected." In that single moment, the dark cloud of cancer and autoimmune pancreatitis fears completely vanished.
Fast forward three months: a follow-up MRI scan officially confirmed that the swelling and inflammation in my pancreas had completely subsided and resolved.
While the root cause of the "fulminant type 1 diabetes" that suddenly struck me remains a mystery, we cleared up its connection to my pancreatic swelling. Now, I can focus solely on managing my blood sugar with insulin, without needing any unnecessary extra treatments.

【Summary】

Since being discharged, my daily routine has revolved around insulin injections before every meal and finger-prick blood sugar checks.

But after getting through that follow-up hospitalization and biopsy, I received the ultimate peace of mind: my biggest fears (pancreatic cancer and autoimmune pancreatitis) were completely ruled out. Best of all, I don't need steroid therapy anymore. Now, I can pour 100% of my energy into my daily insulin routine and mastering my blood sugar control.

Survived the dreaded needle biopsy and got a clean bill of health, putting my biggest worries to rest.
Successfully avoided steroid treatments that would have sent my blood sugar levels through the roof.
The final MRI confirmed that the pancreatic inflammation from when my fulminant diabetes first struck has fully cleared up.

⚠️ Disclaimer & Important Notice

The blood sugar data and charts shared in this blog represent my personal records and experiences. They are not intended as medical advice, dietary recommendations, or a guarantee of specific medical outcomes. Blood sugar responses and bodily reactions vary greatly from person to person. If you are currently undergoing medical treatment or managing a restricted diet, please consult your primary physician or a registered dietitian. This blog assumes no responsibility for any actions taken based on the information provided here.

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Japanese Food The T1D Diaries: Real-Life Blood Sugar Tracking & Insights

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I decided to track my blood sugar levels after treating myself to Chateraise's "Freshly Squeezed Milk Bar - Coffee Flavor." As expected, my numbers shot up post-indulgence. Thanks to the high fat content of the ice cream, my glucose spiked quickly and then lingered at a high level for quite a while.

Ingredients & Nutrition: This treat is officially classified as premium "ice cream" with a relatively high milk fat content of 9.0%. Since dietary fat slows down digestion and delays carb absorption, my blood sugar didn't just spike immediately—it remained elevated well into the night.

[Quick Summary]

Right before 10:00 PM, I was heading into low blood sugar territory. My glucose had dipped to 69 mg/dL, but it spiked dramatically after eating the ice cream bar.
At its peak, my glucose reached 199 mg/dL, creating a massive spike with a total fluctuation of +105 mg/dL.
Even past 11:30 PM, my levels refused to come down, staying elevated for quite some time.

[Blood Sugar Data After Eating the Ice Cream]

Around 10:00 PM: Started on the lower side, right around 69 mg/dL just before eating.
10:00 PM – 11:30 PM: Levels began climbing immediately after eating, steadily rising over the next hour and a half.
Around 11:30 PM: Reached my peak for the night at 199 mg/dL, where the rise finally plateaued.
After Midnight: Although it dropped slightly past the peak, my glucose hovered stubbornly around 140 mg/dL even by 1:00 AM.

⚠️ Disclaimer & Medical Note
The blood sugar data and graphs featured in this post are based purely on my personal tracking and experiences. They are not intended to recommend or guarantee any medical treatment, diet, or diagnosis. Blood sugar responses vary greatly from person to person. If you are undergoing medical treatment or are on a restricted diet, please consult your physician or registered dietitian. The author of this blog assumes no liability for any actions taken based on this information.

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7/13/2026

The Blood Sugar Diaries: Surviving My First Hospital Stay and a Type 1 Diabetes Diagnosis

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Hospital Diaries: Life in the General Ward

It was my first time ever being hospitalized. I was assigned to a four-person room, specifically designated for "independent" patients who could take care of their own basic needs.

My roommates were mostly men in their 50s to 70s. If it had been a long-term stay, I would have broken the ice and tried to make friends, but I was scheduled to be discharged in less than a week. Plus, I didn't know their medical situations. Everyone kept their privacy curtains tightly shut, so the only sounds were occasional snippets of conversation with the nurses.

Even so, those brief overheard conversations painted a picture of what each person was going through.

Roommate #1: A middle-aged man fighting cancer
He was constantly complaining about severe constipation, lamenting that even laxatives didn't work and had caused him hemorrhoids. He was a bit lively and vocal, often grumbling about how much the blood draw needles hurt.
Roommate #2: An elderly diabetic man transferred from a nursing home
He didn't seem to have any family visiting. The real challenge was—to put it bluntly—his silent but incredibly deadly flatulence. It was so overwhelming that I couldn't bear the smell, and I actually had to ask my family to bring a portable handheld fan from home just to survive.
Roommate #3: A mysterious patient who left after three days
He seemed anxious to get discharged quickly because his child had upcoming school entrance exams. However, his prescribed medication didn't seem to agree with him; he kept complaining of feeling unwell and having no appetite, which ended up delaying his release.
Roommate #4: The elderly man who took his place
He was admitted for some internal organ issues. He frequently muttered to himself, saying things like, "I'm finished..." or "I just want to die." It was heartbreaking to listen to.

All these different lives playing out just on the other side of a curtain. It made me pause and wonder: "How did I look to the rest of them?"

Diabetes Education

During my stay, I had daily "diabetes education" sessions, rotating between my doctor, nurses, dietitians, and physical therapists.

How diabetes actually works in the body
The "SHIMEJI" and "ENOKI" acronyms (classic Japanese mnemonics for diabetic complications) and how to handle sick days
The difference between "long-acting" (basal) and "rapid-acting" (bolus) insulin
How carbs, proteins, and fats impact your body

They thoroughly drilled me on these essentials—vital knowledge I'll need for managing my condition moving forward.

Heading Home

Thanks to the comprehensive diabetes training, the anxiety that had consumed me at first began to fade, and I was finally able to welcome discharge day with a calm mind.

My daughter came to pick me up. We walked home together, wheeling our bicycles and chatting about everything and nothing. It was in that simple, ordinary moment that I realized I was finally getting my life back.

When my hospital stay finally ended and I was discharged, I felt an overwhelming sense of relief. Taking in that first breath of fresh air outside, I thought, "I'm finally back in the real world!" At first, when they suspected all sorts of terrifying illnesses, my mind went completely blank. But after undergoing extensive testing and pinpointing the exact cause, I felt empowered to make a positive, proactive start on my new lifestyle. Keeping everything I learned in mind, and holding onto the joy of that walk home with my daughter, I’m ready to take it one step at a time and work in harmony with my body.

【Summary】

Despite a tense scare with elevated tumor markers and immune system indicators, follow-up scans showed zero abnormalities, bringing immense relief.
As the severe internal inflammation triggered by the rapid spike in my blood sugar subsided, all of my lab values naturally stabilized.

📊 Discharge Test Results & Key Takeaways

Though I had a major scare when my tumor markers, CEA (6.5) and CA19-9 (45), flagged potential pancreatic cancer, my contrast-enhanced CT scans showed absolutely no tumors or abnormal blood flow.
My IgG4 levels (140+) raised suspicions of autoimmune pancreatitis. However, since the imaging showed none of the swelling typical of the pancreas, both scary possibilities were ruled out, leaving me with a clean bill of health and a simple "follow-up/no issues" diagnosis.
It turns out this alarming spike in numbers was just a temporary disruption triggered by severe hyperglycemia and intense internal inflammation. As my treatment progressed, the numbers naturally settled back to normal.

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*Medical Disclaimer: The content on this blog represents the author's personal records for informational purposes only. Always consult with your doctor.