amlodipine vs clarithromycin
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Side-by-side comparison of amlodipine and clarithromycin. 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
Amlodipine Diltiazem Amlodipine, Diltiazem: [See Warnings and Precautions ( 5.4 )] Nifedipine Nifedipine: Nifedipine is a substrate for CYP3A.
Norvasc
Biaxin
Amlodipine (Norvasc) is a drug that lowers blood pressure and treats chest pain. It belongs to a class of drugs called calcium channel blockers.
Clarithromycin is an antibiotic that fights bacterial infections. It belongs to a class of drugs called macrolides.
This medicine treats high blood pressure (hypertension). Lowering blood pressure reduces the risk of strokes and heart attacks. Amlodipine also treats chest pain (angina) caused by coronary artery disease, including chronic stable angina and vasospastic angina.
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.
Amlodipine blocks calcium from entering heart and blood vessel cells. This relaxes and widens blood vessels, making it easier for blood to flow. As a result, the heart does not have to work as hard, which lowers blood pressure and reduces chest pain.
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.
- • Swelling in your ankles or feet
- • Dizziness
- • Flushing (redness of the face)
- • Palpitations (feeling your heart beat rapidly or irregularly)
- • Fatigue (feeling tired)
- • Abdominal pain
- • Diarrhea
- • Nausea
- • Vomiting
- • Taste changes
- Fatigue 15,697
- Diarrhoea 14,039
- Nausea 13,425
- Dyspnoea 13,218
- Dizziness 10,671
- Drug Interaction 2,906
- Nausea 2,214
- Dyspnoea 1,959
- Diarrhoea 1,937
- Malaise 1,650
Amlodipine may cause low blood pressure, especially if you have severe aortic stenosis. Some people with severe heart disease may experience worsening chest pain or a heart attack when starting or increasing the dose of amlodipine. If you have severe liver problems, your doctor will increase your dose slowly.
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.
Tell your doctor if you are pregnant or plan to become pregnant. High blood pressure during pregnancy can harm both the mother and the baby. Amlodipine passes into breast milk, but no harmful effects on the breastfed infant have been seen.
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.
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How to Read This amlodipine vs clarithromycin Comparison
amlodipine is classified in the Calcium Channel Blocker drug class, while clarithromycin sits within the Macrolide Antibiotic 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, amlodipine has 67,050 submissions while clarithromycin has 10,666. 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 clarithromycin blocks the liver enzymes that normally break down amlodipine. this can cause amlodipine to build up in your body and lower your blood pressure too much.. 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 amlodipine or clarithromycin.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.