This is part 2 in our diabetes series. Last week we posted on what is diabetes. This looks at insulin
Being in the hospital is never easy. You’re vulnerable, often scared, and simply trying to feel better. If you have diabetes—or are newly diagnosed during a hospital stay—you may suddenly find yourself facing insulin injections, new medications, and confusing changes to your usual routine. This shift often happens quickly, with little explanation.
As always, the art of being ill is grounded in education. In my years as a nurse, I’ve seen countless patients switched from their familiar oral medications to insulin regimens during hospitalization. There are valid reasons this happens—and we’ll look at those—but far too often, the result is low blood sugar episodes that cause real concern, and sometimes, serious complications.
It’s not uncommon for blood sugars to rise in the hospital. Illness itself can elevate glucose levels, and medications like steroids are known to spike them further. But instead of adjusting care thoughtfully, insulin often becomes the default solution—applied broadly, with little individualization or context. And that’s where problems begin.
This blog post isn’t a critique—it’s a reflection. It comes from the heart, not as a criticism of how hospitals treat diabetes, but as an honest look at how automatic, protocol-driven insulin use can affect patients. Because unfortunately, insulin in the hospital isn’t always used with safety or personalization in mind. And in some cases, the very treatment meant to help can actually cause harm.
For decades, hospitals have defaulted to using insulin to manage blood sugar during admission. Even patients who manage their diabetes at home with oral medications are often switched to insulin upon arrival. This is especially common for people with type 2 diabetes admitted for unrelated issues like infections, surgery, or dehydration.
The original push for this approach came from early research suggesting that very tight blood sugar control improved outcomes in ICU patients. But those results haven’t translated to general hospital populations. Despite updated evidence, many hospital protocols still push for strict control (like blood glucose targets of 80–110 mg/dL), which increases the risk of low blood sugar—especially in non-critically ill patients.
Hypoglycemia (low blood sugar) isn’t just uncomfortable. It can cause dizziness, confusion, fainting, falls, and in severe cases, coma or death. Studies now show that moderate blood sugar targets (140–180 mg/dL) are not only safer but just as effective in most hospital settings. Yet the drive for “perfect numbers” remains deeply ingrained in medical routines.
Insulin, when used without careful adjustment, can swing blood sugar dramatically. Many patients receive the same insulin doses they take at home—despite being NPO (not eating), on IV fluids, or too sick to eat consistently. That’s a recipe for dangerous lows.
The Elderly: Most at Risk
Older adults bear the brunt of this issue. Their bodies handle medication differently. They may have memory issues, reduced kidney function, or increased sensitivity to insulin. One hypoglycemic episode in an elderly patient can lead to a fall, a hip fracture, or long-term loss of independence. Worse still, they might not feel or report symptoms of low blood sugar—putting them at even greater risk.
Research shows that hypoglycemia in older adults is linked to higher mortality, longer hospital stays, and poor functional recovery. Yet many still receive aggressive insulin protocols designed for younger, healthier patients.
This over-reliance on protocol-driven insulin use is often a symptom of a deeper issue: a system that prioritizes numbers over the experience of being ill. When care becomes checklist-driven, the nuances of each patient’s life, body, and needs can be overlooked.
People don’t come to the hospital for tighter numbers—they come to heal. They come to be seen and treated as whole human beings. And yet, far too often, they’re placed on insulin regimens they don’t understand, on a schedule that doesn’t align with their intake, energy level, or recovery path.
Safe, compassionate diabetes care in the hospital starts with three simple ideas:
Personalization: Not every patient needs insulin. For many, oral medications—or no diabetes treatment at all during brief stays—may be safer.
Adjustment: If insulin is needed, it must be tailored to the patient’s nutritional intake, age, comorbidities, and recovery status. Awareness: We must be especially vigilant with elderly or frail patients, recognizing that sometimes, doing less is actually doing more—and doing it safely.
Being sick doesn’t mean becoming invisible in your care. Protocols are meant to support healing—not override the individual needs of the person in the bed.
This is where your voice matters. This is the very heart of the art of being ill—giving you the knowledge to ask questions, advocate for yourself, and feel empowered in the process. Speaking up for your needs or having someone who can speak on your behalf isn’t about confrontation. It’s about understanding how the system works and using that insight to help shape the care that’s best for you.
Why so many patients are sent home on insulin they don’t understand—and what we can do to fix the broken transition from hospital to home.
As always thanks for being here, it really means a lot. One small voice or share means the difference for many.
I’d love to hear your thoughts—feel free to leave a comment, like, and share with friends who might relate.
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