ethinyl estradiol/etonogestrel vs griseofulvin
According to this portal's Publishing Organization, this page was last reviewed in August 2026 against our methodology. Figures and extracts on this site, including tables above 1,000 rows when the corpus is that large, are the publisher's responsibility.
Side-by-side comparison of ethinyl estradiol/etonogestrel and griseofulvin. 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
Some drugs or herbal products that may decrease the effectiveness of hormonal contraceptives include: phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, topiramate, rifabutin, rufinamide, aprepitant, and products containing St.
NuvaRing
Grifulvin V
NuvaRing is a vaginal ring that contains hormones to prevent pregnancy. It releases hormones over three weeks to stop you from getting pregnant.
Griseofulvin is an antifungal medicine. It treats fungal infections of the skin, hair, and nails.
NuvaRing is used by women of reproductive age to prevent pregnancy. It contains estrogen and progestin, which are hormones. These hormones prevent ovulation, so you don't release an egg and can't get pregnant.
This medicine treats fungal infections called dermatophyte infections. These infections can affect your skin (tinea corporis, tinea cruris, tinea barbae), feet (tinea pedis), scalp (tinea capitis), or nails (tinea unguium). Make sure a lab test confirms you have a fungal infection before you start taking this medicine. This medicine will not work for bacterial or yeast infections.
NuvaRing contains two hormones: etonogestrel and ethinyl estradiol. These hormones are released slowly into your body. They prevent pregnancy mainly by stopping your ovaries from releasing an egg.
Griseofulvin stops fungi from growing and multiplying. It binds to a protein in the fungi. This disrupts the fungi's cell structure and prevents it from spreading.
- • Vaginal infection
- • Headache (including migraine)
- • Mood changes (like depression or mood swings)
- • Problems related to the ring (like it falling out or causing discomfort)
- • Nausea or vomiting
- • Headache
- • Nausea
- • Vomiting
- • Diarrhea
- • Fatigue
No adverse event reports.
- Headache 15
- Pyrexia 11
- Rash 11
- Diarrhoea 10
- Drug Hypersensitivity 10
Cigarette smoking increases your risk of serious heart problems if you use hormonal birth control like NuvaRing. This risk is higher if you are over 35 and smoke more cigarettes. If you are over 35 and smoke, you should not use NuvaRing.
Griseofulvin can cause liver problems. If you have liver failure or a history of sensitivity to griseofulvin, you should not take this medicine. Do not take this medicine if you have porphyria. Griseofulvin can harm an unborn baby, so do not take it if you are pregnant or could become pregnant.
Do not use NuvaRing if you are pregnant. NuvaRing can pass into breast milk and may reduce milk production. Talk to your doctor about other birth control options if you are breastfeeding.
Do not take this medicine if you are pregnant. It can cause harm to your unborn baby. Talk to your doctor about birth control options if you are a woman who could become pregnant.
How to Read This ethinyl estradiol/etonogestrel vs griseofulvin Comparison
ethinyl estradiol/etonogestrel is classified in the Vaginal Contraceptive Ring drug class, while griseofulvin sits within the Antifungal 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, ethinyl estradiol/etonogestrel has 0 submissions while griseofulvin has 57. 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 griseofulvin causes your body to process birth control hormones faster, which can make the birth control less effective at preventing pregnancy.. 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 ethinyl estradiol/etonogestrel or griseofulvin.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.