norethindrone vs voriconazole
Side-by-side comparison of norethindrone and voriconazole. 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
John's Wort (CYP450 inducer; P-gp inducer) Significantly Reduced Contraindicated Oral Contraceptives containing ethinyl estradiol and norethindrone (CYP2C19 Inhibition) Increased Monitoring for adverse reactions and toxicity related to voriconazole is recommended when coadministered with oral contraceptives. Oral Contraceptives containing ethinyl estradiol and norethindrone (CYP3A4 Inhibition) Increased Monitoring for adverse reactions related to oral contraceptives is recommended during coadministration.
Recommendation: Your doctor should monitor you closely for any new or worsening side effects while you are taking both medications. You may need to report any unusual symptoms immediately.
Camila, Errin
Vfend
Camila and Errin are progestin-only birth control pills. They help prevent pregnancy.
Voriconazole (Vfend) is an antifungal medicine. It is used to treat serious fungal infections in adults and children 2 years and older.
These pills are used to prevent pregnancy. They are a type of oral contraceptive, also known as birth control pills. When taken correctly, birth control pills are very effective at preventing pregnancy.
This medicine treats several types of fungal infections. It is used for invasive aspergillosis, a lung infection. It also treats candidemia (a blood infection) and other Candida infections in the skin, abdomen, kidney, bladder, and wounds. Voriconazole can also treat esophageal candidiasis (a throat infection) and serious infections caused by Scedosporium and Fusarium fungi.
Camila and Errin contain a progestin hormone. This hormone prevents pregnancy by stopping ovulation (the release of an egg from the ovary). It also thickens cervical mucus, making it harder for sperm to reach the egg.
Voriconazole belongs to a class of drugs called azole antifungals. It works by stopping the growth of fungi. It does this by interfering with the production of the fungal cell membrane.
- • Nausea
- • Vomiting
- • Gastrointestinal symptoms (like cramps and bloating)
- • Breakthrough bleeding or spotting
- • Changes in menstrual flow
- • Visual disturbances
- • Fever
- • Nausea
- • Rash
- • Vomiting
- Feeling sick to your stomach 449
- Pain in your head 424
- Sudden feeling of warmth 370
- Feeling tired 322
- Aching or soreness 308
- The medicine is interacting with another medicine 2,315
- Death 1,460
- Fever 1,411
- Lung infection 1,322
- The condition is getting worse 1,093
Cigarette smoking increases your risk of serious heart problems from birth control pills. This risk is higher if you are over 35 and smoke. You should not take this medication if you are over 35 and smoke.
Voriconazole can cause serious liver problems. Your doctor will check your liver function with blood tests before and during treatment. This medicine can also cause heart rhythm problems. Make sure your potassium, magnesium, and calcium levels are normal before starting. Voriconazole can also cause severe skin reactions and make you sensitive to sunlight. Avoid sunlight and wear protective clothing. This medicine can harm an unborn baby, so women who can get pregnant should use effective birth control.
These pills should not be taken if you are pregnant or think you might be pregnant. Talk to your doctor about other birth control options if you are breastfeeding.
Voriconazole can cause harm to an unborn baby. If you are pregnant or could become pregnant, talk to your doctor. It is not known if voriconazole passes into breast milk. Talk to your doctor about the risks and benefits of breastfeeding while taking this medicine.
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How to Read This norethindrone vs voriconazole Comparison
norethindrone is classified in the Progestin-Only Oral Contraceptive drug class, while voriconazole sits within the Azole 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, norethindrone has 1,873 submissions while voriconazole has 7,601. 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 voriconazole slows down the process your body uses to get rid of the birth control pill. this can lead to higher levels of the birth control in your blood and increase your risk of side effects.. 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 norethindrone and voriconazole - 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.