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What the FDA labels say about taking them together

Acetaminophen and ethinyl estradiol/etonogestrel

Ethinyl estradiol/etonogestrel's FDA label of November 14, 2025 names acetaminophen in its drug interactions section; the acetaminophen labels PlainMeds reads (4) do not name ethinyl estradiol/etonogestrel. The ethinyl estradiol/etonogestrel label: “Ascorbic acid and acetaminophen may increase plasma ethinyl estradiol concentrations, possibly by inhibition of conjugation.”

Check it at the source: the acetaminophen FDA label on DailyMed (effective November 13, 2024, Kenvue Brands LLC); the ethinyl estradiol/etonogestrel FDA label on DailyMed (effective November 14, 2025, Organon LLC).

What does the acetaminophen label say about ethinyl estradiol/etonogestrel?

Acetaminophen's label (effective November 13, 2024) and its 3 other brand-application labels do not name ethinyl estradiol/etonogestrel in these sections. A label lists what its studies and reports found; it is not a complete list.

Source: FDA drug label (Tylenol 8 HR Arthritis Pain), Kenvue Brands LLC, effective November 13, 2024 (SPL set 3af22fc8-e4e0-4863-8696-6bc1257047cb), via openFDA; the full label on DailyMed

What does the ethinyl estradiol/etonogestrel label say about acetaminophen?

Ethinyl estradiol/etonogestrel label, drug interactions

Ascorbic acid and acetaminophen may increase plasma ethinyl estradiol concentrations, possibly by inhibition of conjugation.

Source: FDA drug label (NuvaRing), Organon LLC, effective November 14, 2025 (SPL set 55eb60e3-6f4d-40a3-8ee6-e7fd2d0c7d97), via openFDA; the full label on DailyMed

These are the labels' own sentences. PlainMeds does not grade interactions; a pharmacist or prescriber can say what they mean for one person's medicines.

Both medicines on the record

89Acetaminophen generic labelers
5Ethinyl estradiol/etonogestrel generic labelers
AcetaminophenEthinyl estradiol/etonogestrel
Labeled forFever, Cough and cold, PainBirth control
Boxed warningYesYes
Pharmacy cost (NADAC)$0.0339 per unit 500 mg caplet$46.35 per ring Etonogestrel-ee vaginal ring
Shortage nowNo current entryNo current entry

Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)

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