eplerenone vs erythromycin
Side-by-side comparison of eplerenone and erythromycin. 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
7 DRUG INTERACTIONS • CYP3A Inhibitors: In post-MI HFrEF patients, do not exceed 25 mg once daily when used with moderate CYP3A inhibitors (e.g., verapamil, erythromycin, saquinavir, fluconazole).
Recommendation: If you are taking erythromycin, your daily dose of eplerenone should not exceed 25 mg.
Inspra
E-Mycin, Ery-Tab
Eplerenone (Inspra) helps you live longer if you have heart failure after a heart attack. It also lowers blood pressure if you have high blood pressure.
Erythromycin Topical Solution is a medicine that you put on your skin to treat acne. It contains an antibiotic to help clear up your skin.
Eplerenone is used to help people with heart failure who have had a heart attack live longer. It is also used to treat high blood pressure in adults. Lowering blood pressure helps reduce the risk of strokes and heart attacks.
Erythromycin Topical Solution treats acne vulgaris. This medicine helps to reduce acne on your face, neck, shoulders, chest, and back. It works by fighting the bacteria that cause acne.
Eplerenone blocks a hormone called aldosterone in your body. Aldosterone can cause your body to hold onto too much salt and water, which can raise blood pressure and worsen heart failure. By blocking aldosterone, eplerenone helps lower blood pressure and reduce strain on the heart.
Erythromycin is a macrolide antibiotic. It works by stopping the growth of bacteria. This helps to reduce inflammation and clear up acne.
- • High potassium levels in your blood
- • Increased creatinine levels
- • Peeling
- • Dryness
- • Itching
- • Redness
- • Oily skin
- Shortness of breath 1,083
- Heart failure 939
- Sudden kidney damage 905
- Low blood pressure 859
- Tiredness 658
- Drug Hypersensitivity 4,088
- Nausea 1,271
- Vomiting 1,121
- Diarrhoea 1,069
- Dyspnoea 1,023
Eplerenone can cause high potassium levels in your blood, which can be dangerous. Your doctor will check your potassium levels before you start taking eplerenone and regularly while you are taking it. People with kidney problems, diabetes, or who take certain other medicines are at higher risk.
You should not use this medicine if you are allergic to any of its ingredients.
It is not known if eplerenone can harm your unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. It is also not known if eplerenone passes into breast milk. Talk to your doctor about the best way to feed your baby if you are taking eplerenone.
It is not known if erythromycin topical solution can harm an unborn baby. Talk to your doctor if you are pregnant or breastfeeding.
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How to Read This eplerenone vs erythromycin Comparison
eplerenone is classified in the Aldosterone Antagonist drug class, while erythromycin 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, eplerenone has 4,444 submissions while erythromycin has 8,572. 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 erythromycin blocks the proteins that break down eplerenone, leading to more of the drug staying in your body.. 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 eplerenone and erythromycin - 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.