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fluoxetine vs glimepiride

Side-by-side comparison of fluoxetine 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

The following are examples of medications that may increase the glucose-lowering effect of sulfonylureas including glimepiride, increasing the susceptibility to and/or intensity of hypoglycemia: oral anti-diabetic medications, pramlintide acetate, insulin, angiotensin converting enzyme (ACE) inhibitors, H 2 receptor antagonists, fibrates, propoxyphene, pentoxifylline, somatostatin analogs, anabolic steroids and androgens, cyclophosphamide, phenyramidol, guanethidine, fluconazole, sulfinpyrazone, tetracyclines, clarithromycin, disopyramide, quinolones, and those drugs that are highly...

Recommendation: Watch for signs of low blood sugar and check your levels frequently while taking these medicines together.

Drug Class
fluoxetine Selective Serotonin Reuptake Inhibitor (SSRI)
glimepiride Sulfonylurea
Type
fluoxetine Prescription
glimepiride Prescription
Summary
fluoxetine

Fluoxetine is a medicine that can help treat depression and other mental health conditions. It belongs to a class of drugs called selective serotonin reuptake inhibitors (SSRIs).

glimepiride

Glimepiride is a medicine that helps lower blood sugar in adults with type 2 diabetes. It works along with diet and exercise.

What It Treats
fluoxetine

Fluoxetine can treat major depressive disorder in adults and children. It also treats obsessive-compulsive disorder (OCD) in adults and children. Fluoxetine can help with bulimia nervosa (an eating disorder) and panic disorder. Sometimes, it is used with another medicine called olanzapine to treat depression related to bipolar disorder.

glimepiride

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.

How It Works
fluoxetine

Fluoxetine works by increasing the amount of serotonin in your brain. Serotonin is a chemical that helps regulate mood. By increasing serotonin, fluoxetine can help improve mood and reduce symptoms of depression, OCD, and other conditions.

glimepiride

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.

Common Side Effects
fluoxetine
  • Abnormal dreams
  • Problems ejaculating
  • Loss of appetite
  • Feeling anxious
  • Feeling weak
glimepiride
  • Low blood sugar
  • Headache
  • Nausea
  • Dizziness
FAERS Reports
fluoxetine
  • The medicine is interacting with another medicine 3,336
  • Harmful effect from different substances 3,316
  • Feeling sick to your stomach 3,233
  • Feeling tired 3,155
  • Death by suicide 2,904
glimepiride
  • High blood sugar 2,972
  • Feeling sick to your stomach 2,274
  • Loose stools 2,169
  • Feeling tired 1,827
  • Low blood sugar 1,639
Serious Warnings
fluoxetine

Antidepressants may increase the risk of suicidal thoughts and behaviors in children, teenagers, and young adults. Watch closely for worsening depression or suicidal thoughts. Tell your doctor right away if you notice any changes in mood or behavior. Fluoxetine is not approved for use in children younger than 7 years old.

glimepiride

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.

Pregnancy
fluoxetine

Talk to your doctor if you are pregnant or plan to become pregnant. Fluoxetine should only be used during pregnancy if the benefit outweighs the risk to the baby. Breastfeeding is not recommended while taking fluoxetine.

glimepiride

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.

Also Compare, Nearby Drugs

How to Read This fluoxetine vs glimepiride Comparison

fluoxetine is classified in the Selective Serotonin Reuptake Inhibitor (SSRI) 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, fluoxetine has 15,944 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 fluoxetine can increase the effects of glimepiride, which may cause your blood sugar to drop to dangerously low levels.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.

A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between fluoxetine and glimepiride - always consult your physician or pharmacist first.

Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.