colesevelam vs glimepiride
PlainMeds reviewed this comparison against our methodology in August 2026. It places FDA and CMS record fields side by side, without recommending either medication.
Side-by-side comparison of colesevelam and glimepiride. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
minor Known Drug Interaction
Colesevelam: Coadministration may reduce glimepiride absorption. Glimepiride should be administered at least 4 hours prior to colesevelam ( 2.1 , 7.4 ). 7.4 Concomitant Administration of Colesevelam Colesevelam can reduce the maximum plasma concentration and total exposure of glimepiride when the two are coadministered.
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Colesevelam is a medicine that helps lower bad cholesterol (LDL-C) and control blood sugar in adults. It can also lower LDL-C in children ages 10-17 with certain cholesterol problems.
Glimepiride is a medicine that helps lower blood sugar in adults with type 2 diabetes. It works along with diet and exercise.
This medicine can help lower high LDL cholesterol in adults and children (10-17 years old) who have primary hyperlipidemia or heterozygous familial hypercholesterolemia. These conditions mean you have high levels of bad cholesterol in your blood. Colesevelam can also help improve blood sugar control in adults with type 2 diabetes.
Glimepiride is used to help control blood sugar levels in adults with type 2 diabetes. It should be used with a healthy diet and regular exercise. This medicine will not work for type 1 diabetes or diabetic ketoacidosis.
Colesevelam is a bile acid sequestrant. It works by binding to bile acids in your gut. This helps your body get rid of cholesterol and can also lower blood sugar levels.
Glimepiride helps your body release more insulin. Insulin helps move sugar from your blood into your cells for energy. This lowers your blood sugar levels.
- • Constipation
- • Upset stomach
- • Nausea
- • Accidental injury
- • Weakness
- • Low blood sugar
- • Headache
- • Nausea
- • Dizziness
- Diarrhoea 121
- Dyspnoea 72
- Cough 64
- Muscle Spasms 61
- Fatigue 59
- Blood Glucose Increased 2,970
- Nausea 2,276
- Diarrhoea 2,169
- Fatigue 1,827
- Hypoglycaemia 1,639
Colesevelam can raise your triglyceride levels, which could cause pancreatitis. Tell your doctor right away if you have severe stomach pain. This medicine may also cause bowel obstruction, especially if you have stomach problems or have had major surgery on your stomach or intestines. Colesevelam can also lower the amount of fat-soluble vitamins your body absorbs.
Glimepiride can cause low blood sugar, which can be severe. Be careful when driving or operating machinery. If you have an allergic reaction, stop taking glimepiride right away. People with a certain enzyme problem (G6PD deficiency) may get anemia.
This medicine is not absorbed into your body, so it is not expected to harm your baby during pregnancy. Talk to your doctor if you are pregnant or plan to become pregnant. This medicine is also not expected to pass into breast milk.
Tell your doctor if you are pregnant or plan to become pregnant. Glimepiride may not be safe for your baby. It is usually stopped 2 weeks before delivery.
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How to Read This colesevelam vs glimepiride Comparison
colesevelam is classified in the Bile Acid Sequestrant (Diabetes) drug class, while glimepiride sits within the Sulfonylurea class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, colesevelam has 377 submissions while glimepiride has 10,881. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known minor interaction flagged in FDA labeling, attributed to colesevelam can stick to glimepiride in the stomach, which stops the body from absorbing the medicine correctly.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot represent individual circumstances. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This registry does not provide medical, treatment, substitution, or medication-change directions for colesevelam or glimepiride.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.