fluconazole vs losartan
Side-by-side comparison of fluconazole and losartan. 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
Losartan : Fluconazole inhibits the metabolism of losartan to its active metabolite (E-31 74) which is responsible for most of the angiotensin II-receptor antagonism which occurs during treatment with losartan.
Recommendation: Your doctor may need to monitor your blood pressure and adjust your treatment if it is not controlled.
Diflucan
Cozaar
Fluconazole is an antifungal medicine. It is used to treat infections caused by fungus.
Losartan is a medicine that lowers blood pressure. It can also help prevent strokes in some people with high blood pressure and an enlarged heart.
Fluconazole treats vaginal yeast infections. It also treats yeast infections in the mouth and esophagus. Fluconazole can also treat urinary tract infections, peritonitis, systemic Candida infections, and pneumonia. It can also treat cryptococcal meningitis. Fluconazole can also prevent candidiasis in patients undergoing bone marrow transplantation.
Losartan is used to treat high blood pressure in adults and children over 6 years old. Lowering blood pressure reduces the risk of strokes and heart attacks. It is also used to treat kidney problems in people with type 2 diabetes and high blood pressure. Losartan can also reduce the risk of stroke in patients with high blood pressure and an enlarged left ventricle of the heart.
Fluconazole works by stopping the growth of fungi. It blocks the fungus from producing a substance it needs to grow. This helps to clear up the infection.
Losartan blocks a substance in your body that tightens blood vessels. This helps blood vessels relax, which lowers blood pressure. It also helps the kidneys work better in people with diabetes.
- • Headache
- • Nausea
- • Abdominal pain
- • Dizziness
- • Upper respiratory infection
- • Nasal congestion
- • Back pain
- Fever 4,121
- Feeling sick to your stomach 3,695
- Loose stools 3,536
- Feeling tired 3,152
- Discomfort 3,121
- Tiredness 11,852
- Diarrhea 9,868
- Feeling sick to your stomach 9,206
- Difficulty breathing 8,439
- Feeling lightheaded 7,999
Coadministration of other drugs known to prolong the QT interval and which are metabolized via the enzyme CYP3A4 such as erythromycin, pimozide, and quinidine are contraindicated in patients receiving fluconazole.
Losartan can harm your unborn baby, even causing death. If you are pregnant or plan to become pregnant, tell your doctor right away. Stop taking losartan as soon as you know you are pregnant.
Tell your doctor if you are pregnant or plan to become pregnant. Fluconazole may not be safe for your baby. Talk to your doctor about breastfeeding while taking fluconazole.
Do not take losartan if you are pregnant. It can cause serious harm or death to the developing fetus. If you are breastfeeding, talk to your doctor about whether losartan is right for you.
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How to Read This fluconazole vs losartan Comparison
fluconazole is classified in the Azole Antifungal drug class, while losartan sits within the Angiotensin II Receptor Blocker (ARB) 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, fluconazole has 17,625 submissions while losartan has 47,364. 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 fluconazole prevents losartan from changing into its active form that helps lower blood pressure. this can make the blood pressure medicine work less effectively.. 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 fluconazole and losartan - 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.