isotretinoin vs norethindrone
Side-by-side comparison of isotretinoin and norethindrone. 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
Norethindrone/ethinyl estradiol: In a study of 31 premenopausal female patients with severe recalcitrant nodular acne receiving OrthoNovum ® 7/7/7 Tablets as an oral contraceptive agent, isotretinoin capsules at the recommended dose of 1 mg/kg/day, did not induce clinically relevant changes in the pharmacokinetics of ethinyl estradiol and norethindrone and in the serum levels of progesterone, follicle-stimulating hormone (FSH) and luteinizing hormone (LH).
Recommendation: You can take these medications together as prescribed. No dose adjustments are typically necessary.
Accutane, Absorica
Camila, Errin
Isotretinoin capsules are a strong medicine used to treat severe acne. It helps clear up acne when other treatments haven't worked.
Camila and Errin are progestin-only birth control pills. They help prevent pregnancy.
Isotretinoin capsules treat severe nodular acne. Nodules are large, red, and painful pimples that are 5 mm or bigger. This medicine is for when other treatments, like antibiotics, haven't worked. It is important that you are not pregnant when taking this medicine.
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.
Isotretinoin is related to vitamin A. It works by reducing the amount of oil released by oil glands in your skin. It also helps to reduce inflammation and prevent clogged pores.
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.
- • Dry skin
- • Dry lips
- • Dry nose
- • Dry eyes
- • Nausea
- • Vomiting
- • Gastrointestinal symptoms (like cramps and bloating)
- • Breakthrough bleeding or spotting
- • Changes in menstrual flow
- Feeling sad or hopeless 5,699
- Inflammation of the intestines 5,253
- Ulcers in the large intestine 3,796
- Skin is rough and flaky 2,326
- Thoughts of killing yourself 2,112
- Feeling sick to your stomach 449
- Pain in your head 424
- Sudden feeling of warmth 370
- Feeling tired 322
- Aching or soreness 308
Isotretinoin capsules can cause severe birth defects. You must not take this medicine if you are pregnant or may become pregnant. You must use two forms of birth control while taking isotretinoin capsules. If you get pregnant while taking isotretinoin capsules, stop taking it right away and see a doctor.
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.
Isotretinoin capsules can cause very serious birth defects. Do not take this medicine if you are pregnant or plan to become pregnant. Use two forms of birth control while taking isotretinoin capsules and for one month after stopping.
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.
How to Read This isotretinoin vs norethindrone Comparison
isotretinoin is classified in the Systemic Retinoid drug class, while norethindrone sits within the Progestin-Only Oral Contraceptive 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, isotretinoin has 19,186 submissions while norethindrone has 1,873. 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 isotretinoin does not affect the amount of norethindrone in your blood or how well it works. it does not seem to change the effectiveness of this hormone.. 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 isotretinoin and norethindrone - 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.