The Gut Reaction: Understanding Side Effects of Alpha-Glucosidase Inhibitors
Published: Sep 15, 2024

Medically reviewed by Angel Kerney | MD, F.A.C.O.G Obstetrics & Gynecology on September 15th, 2024.
Alpha-glucosidase inhibitors can be effective in managing diabetes, but they come with a catch. These medications are known for their digestive side effects, which can be a deal-breaker for some patients.
Contents
The Gassy Elephant in the Room
The most common side effects of alpha-glucosidase inhibitors are gastrointestinal issues. Flatulence (gas) is the big one, affecting up to 73% of patients in some studies. It's like your digestive system is throwing a noisy protest party. Diarrhea is another frequent complaint. These symptoms are usually mild, but they can be embarrassing and uncomfortable.
Why the Tummy Troubles?
The side effects are directly related to how these drugs work. By slowing down carbohydrate digestion in the upper intestine, more undigested carbs make their way to the lower intestine. There, bacteria feast on these carbs, producing gas as a byproduct. It's like giving the bacteria in your gut an all-you-can-eat buffet.

Sticking with It
The digestive side effects are the main reason many people stop taking alpha-glucosidase inhibitors. In one study, only 16-20% of patients were still taking the drug after a year. However, there's good news: these side effects often improve over time as your body adjusts. Starting with a low dose and slowly increasing it can help minimize discomfort.
Frequently Asked Questions
No, side effects are often a sign that the medication is active in your system.
Yes, reducing carbohydrate intake may help lessen digestive symptoms.
Many people find side effects improve within weeks to months of starting treatment.
Rarely, liver problems can occur. Contact your doctor if you experience unusual fatigue or yellowing of skin/eyes.
Key Takeaways
While the side effects of alpha-glucosidase inhibitors can be challenging, for some patients, the benefits in managing diabetes outweigh the discomfort.
Experiencing side effects from your diabetes medication? Talk to Doctronic about strategies to manage them effectively.Related Articles
References
Chiasson JL, et al. Ann Intern Med 1994; 121:928.
Holman RR, et al. Diabetes Care 1999; 22:960.
This article has been reviewed for accuracy by one of the licensed medical doctors working for Doctronic. Always discuss health information with your healthcare provider.