acetaminophen vs ethinyl estradiol/etonogestrel
PlainMeds reviewed this comparison against our methodology in August 2026. It places FDA and CMS record fields side by side, without recommending either medication.
Side-by-side comparison of acetaminophen and ethinyl estradiol/etonogestrel. 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
Ascorbic acid and acetaminophen may increase plasma ethinyl estradiol concentrations, possibly by inhibition of conjugation. CHCs have been shown to decrease plasma concentrations of acetaminophen, clofibric acid, morphine, salicylic acid and temazepam.
Tylenol
NuvaRing
Acetaminophen (Tylenol) is a medicine that can relieve pain and reduce fever. It is available over-the-counter.
NuvaRing is a vaginal ring that contains hormones to prevent pregnancy. It releases hormones over three weeks to stop you from getting pregnant.
This medicine temporarily relieves minor aches and pains. It can help with headaches, the common cold, backaches, and minor arthritis pain. It can also help with toothaches, muscle aches, premenstrual and menstrual cramps. Acetaminophen can also temporarily reduce fever.
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.
Acetaminophen's exact mechanism is not fully understood. It is believed to work in the brain to reduce pain signals. It also helps to lower body temperature when you have a fever.
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.
- • Headache
- • Nausea
- • 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
- Fatigue 34,487
- Nausea 29,567
- Headache 28,380
- Pain 28,314
- Diarrhoea 23,626
No adverse event reports.
Taking more acetaminophen than directed can cause liver damage. Follow the dosage instructions carefully.
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.
If you are pregnant or breastfeeding, talk to your doctor before using this medicine. They can help you weigh the risks and benefits.
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.
How to Read This acetaminophen vs ethinyl estradiol/etonogestrel Comparison
acetaminophen is classified in the Analgesic / Antipyretic drug class, while ethinyl estradiol/etonogestrel sits within the Vaginal Contraceptive Ring class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are split between OTC and prescription status, which affects access and supervision.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, acetaminophen has 144,374 submissions while ethinyl estradiol/etonogestrel has 0. 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 acetaminophen can raise the amount of estrogen in your blood, while the birth control ring can lower the levels of acetaminophen in your system.. 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 acetaminophen or ethinyl estradiol/etonogestrel.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.