Glyset Side Effects

Generic name: miglitol

Medically reviewed by Drugs.com. Last updated on Jun 28, 2024.

Note: This document provides detailed information about Glyset Side Effects associated with miglitol. Some dosage forms listed on this page may not apply specifically to the brand name Glyset.

Applies to miglitol: oral tablet.

Other side effects of Glyset

Some side effects of miglitol (the active ingredient contained in Glyset) may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.

Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common side effects

• bloated full feeling
• excess air or gas in stomach or intestines
• increase in bowel movements
• loose stools
• passing gas
• soft stools
• stomach or abdomen pain

Less common side effects

• skin rash

For healthcare professionals

Applies to miglitol: oral tablet.

General adverse events

The most commonly reported adverse reactions include gastrointestinal symptoms; they tend to diminish in frequency and intensity with time.

Gastrointestinal

• Very common (10% or more): Flatulence (41.5%), diarrhea (28.7%), abdominal pain (11.7%)
• Postmarketing reports: Pneumatosis cystoides intestinalis (may present with symptoms of diarrhea, mucus discharge, rectal bleeding, and constipation), ileus (including paralytic ileus), subileus, gastrointestinal pain, nausea, abdominal distention.^[Ref]

The severity of gastrointestinal symptoms may be decreased by dosage reduction and avoiding high gas-producing foods and sucrose. Some studies have demonstrated a decrease in the severity of gastrointestinal effects over time with continued administration.^[Ref]

Dermatologic

• Common (1% to 10%): Skin rash^[Ref]

Hematologic

• Common (1% to 10%): Low serum iron^[Ref]

Further information

Glyset side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.

Medical Disclaimer