clarithromycin vs fluvastatin
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 clarithromycin and fluvastatin. 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:...
Biaxin
Lescol
Clarithromycin is an antibiotic that fights bacterial infections. It belongs to a class of drugs called macrolides.
Fluvastatin (Lescol) is a medicine that helps lower cholesterol levels in your blood. It belongs to a group of drugs called statins.
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.
This medicine is used to lower high cholesterol and triglycerides (fats) in adults and children (10-16 years old) with certain inherited cholesterol problems. It can also lower the risk of needing procedures to improve blood flow to the heart in adults with heart disease. Fluvastatin can also slow down the hardening of arteries in people with heart disease.
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.
Fluvastatin works by blocking a substance your body needs to make cholesterol. This helps to lower bad cholesterol (LDL) and triglycerides while raising good cholesterol (HDL). By lowering cholesterol, it helps prevent heart disease and stroke.
- • Abdominal pain
- • Diarrhea
- • Nausea
- • Vomiting
- • Taste changes
- • Headache
- • Upset stomach
- • Muscle pain
- • Abdominal pain
- • Nausea
- Drug Interaction 2,906
- Nausea 2,214
- Dyspnoea 1,959
- Diarrhoea 1,937
- Malaise 1,650
- Myalgia 669
- Diarrhoea 371
- Dizziness 361
- Dyspnoea 340
- Nausea 337
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.
This medicine can sometimes cause muscle problems, including rhabdomyolysis (a serious muscle breakdown that can lead to kidney damage). Tell your doctor right away if you have unexplained muscle pain, tenderness, or weakness, especially if you also have a fever or feel sick. This medicine can also cause liver problems. Your doctor should do blood tests to check your liver before you start taking fluvastatin and while you are taking it.
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.
You should not take fluvastatin if you are pregnant or breastfeeding. This medicine can harm an unborn baby. If you are a woman who could become pregnant, use effective birth control while taking fluvastatin.
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How to Read This clarithromycin vs fluvastatin Comparison
clarithromycin is classified in the Macrolide Antibiotic drug class, while fluvastatin sits within the HMG-CoA Reductase Inhibitor (Statin) 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 fluvastatin has 2,078. 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 can affect how your body handles cholesterol medications, though it does not significantly change the levels of fluvastatin.. 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 clarithromycin or fluvastatin.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.