clarithromycin vs repaglinide
Side-by-side comparison of clarithromycin and repaglinide. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
major Known Drug Interaction
Gastroprokinetic Agents: Cisapride Contraindicated Cisapride: [See Contraindications ( 4.2 )] Lipid-lowering agents: Lomitapide Lovastatin Simvastatin Contraindicated Lomitapide, Lovastatin, Simvastatin: Clarithromycin may increase the exposure of these drugs by inhibition of CYP3A metabolism, thereby increasing the risk of toxicities from these drugs [see Contraindications ( 4.5 ) and Warnings and Precautions ( 5.4 )] Atorvastatin, Pravastatin, Fluvastatin: [See Warnings and Precautions ( 5.4 )] Atorvastatin Pravastatin Use With Caution Fluvastatin No Dose Adjustment Hypoglycemic Agents:...
Recommendation: Your healthcare provider may need to adjust your diabetes medication dose or have you check your blood sugar more often.
Biaxin
Prandin
Clarithromycin is an antibiotic that fights bacterial infections. It belongs to a class of drugs called macrolides.
Repaglinide (Prandin) helps control blood sugar in adults with type 2 diabetes. It works best when used with diet and exercise.
Clarithromycin treats mild to moderate infections caused by certain bacteria. It can treat bronchitis, sinus infections, pneumonia, and throat/tonsil infections. It also treats skin infections, ear infections in children, certain mycobacterial infections, and H. pylori infections that cause ulcers.
Repaglinide is used to lower blood sugar in adults with type 2 diabetes. It should be used along with a healthy diet and regular exercise. This medicine is not for people with type 1 diabetes or diabetic ketoacidosis.
Clarithromycin works by stopping the growth of bacteria. It prevents bacteria from making proteins they need to survive. This helps your body fight off the infection.
Repaglinide helps your pancreas release insulin after you eat. Insulin helps move sugar from your blood into your cells. This lowers your blood sugar levels.
- • Abdominal pain
- • Diarrhea
- • Nausea
- • Vomiting
- • Taste changes
- • Low blood sugar
- • Upper respiratory infection
- • Headache
- • Sinus infection
- • Joint pain
- Drug Interaction 2,906
- Nausea 2,214
- Dyspnoea 1,959
- Diarrhoea 1,937
- Malaise 1,650
- Low blood sugar 765
- Sudden kidney damage 548
- Interaction with another medicine 417
- Diarrhea 365
- Lactic acidosis (buildup of lactic acid) 364
Clarithromycin can cause severe allergic reactions. Stop taking it and get medical help right away if you have signs of a reaction. This medicine can also cause heart rhythm problems (QT prolongation) and liver problems. Tell your doctor if you have heart or liver issues. Clarithromycin may increase the risk of death in patients with coronary artery disease.
Repaglinide can cause low blood sugar (hypoglycemia). If you skip a meal, skip your dose of repaglinide to avoid low blood sugar. Do not use repaglinide with NPH-insulin. There is no proof that repaglinide lowers your risk of heart problems.
Clarithromycin is not recommended during pregnancy unless there are no other options. Talk to your doctor if you are pregnant or plan to become pregnant. It is not known if clarithromycin passes into breast milk, so talk to your doctor before breastfeeding.
Tell your doctor if you are pregnant or plan to become pregnant. Poorly controlled diabetes during pregnancy can harm both the mother and the baby. Repaglinide is not recommended while breastfeeding due to the risk of low blood sugar in the baby.
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How to Read This clarithromycin vs repaglinide Comparison
clarithromycin is classified in the Macrolide Antibiotic drug class, while repaglinide sits within the Meglitinide 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, clarithromycin has 10,666 submissions while repaglinide has 2,459. 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 major interaction flagged in FDA labeling, attributed to clarithromycin interferes with the enzyme that processes repaglinide, which can cause the medicine to stay in your system longer and drop your blood sugar too low.. 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 clarithromycin and repaglinide - 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.