darunavir vs norethindrone
Side-by-side comparison of darunavir 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
ethinyl estradiol, norethindrone, drospirenone ↓ ethinyl estradiol ↓ norethindrone drospirenone: effects unknown For co-administration with drospirenone, clinical monitoring is recommended due to the potential for hyperkalemia.
Recommendation: You should talk to your doctor about using an extra form of birth control to prevent pregnancy.
Prezista
Camila, Errin
Darunavir is a medicine used to treat HIV. It belongs to a class of drugs called protease inhibitors and must be taken with ritonavir.
Camila and Errin are progestin-only birth control pills. They help prevent pregnancy.
Darunavir is used to treat HIV-1 infection in adults and children 3 years and older. It must be taken with ritonavir and other HIV medicines. Darunavir helps to lower the amount of HIV in your body.
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.
Darunavir is a protease inhibitor. It works by blocking an enzyme called protease that HIV needs to make copies of itself. This helps to slow down the spread of HIV in your body.
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.
- • Diarrhea
- • Nausea
- • Rash
- • Headache
- • Abdominal pain
- • Nausea
- • Vomiting
- • Gastrointestinal symptoms (like cramps and bloating)
- • Breakthrough bleeding or spotting
- • Changes in menstrual flow
- Baby exposed to drug during pregnancy 1,150
- Interaction between medicines 981
- Pain 889
- Emotional upset 812
- Worry 811
- Feeling sick to your stomach 449
- Pain in your head 424
- Sudden feeling of warmth 370
- Feeling tired 322
- Aching or soreness 308
Darunavir can cause liver problems. Your doctor should check your liver before you start taking darunavir and during treatment. Tell your doctor right away if you have any signs of liver problems, such as yellowing of the skin or eyes.
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.
Tell your doctor if you are pregnant or plan to become pregnant. The recommended dose during pregnancy is 600 mg twice daily with ritonavir 100mg and food. Women with HIV should not breastfeed because HIV can be passed to the baby through breast milk.
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 darunavir vs norethindrone Comparison
darunavir is classified in the HIV Protease Inhibitor 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, darunavir has 4,643 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 darunavir can lower the amount of birth control hormones in your body, which might make the medication less effective.. 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 darunavir 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.