acetaminophen vs estradiol

According to this portal's Publishing Organization, this page was last reviewed in August 2026 against our methodology. Figures and extracts on this site, including tables above 1,000 rows when the corpus is that large, are the publisher's responsibility.

Side-by-side comparison of acetaminophen and estradiol. 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 systemic exposure of EE possibly by inhibition of conjugation. Other Drugs Clinical effect Concomitant use of COCs may decrease systemic exposure of acetaminophen, morphine, salicylic acid, and temazepam.

Drug Class
acetaminophen Analgesic / Antipyretic
estradiol Estrogen Hormone
Type
acetaminophen Over-the-Counter
estradiol Prescription
Summary
acetaminophen

Acetaminophen (Tylenol) is a medicine that can relieve pain and reduce fever. It is available over-the-counter.

estradiol

Iclevia is a birth control pill. It contains two hormones, a progestin and an estrogen, that work together to prevent pregnancy.

What It Treats
acetaminophen

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.

estradiol

Iclevia is used by women who can get pregnant to prevent pregnancy. It contains two types of hormones. These hormones stop you from releasing an egg and also change the lining of your uterus, which prevents pregnancy.

How It Works
acetaminophen

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.

estradiol

Iclevia contains two hormones: levonorgestrel (a progestin) and ethinyl estradiol (an estrogen). These hormones prevent pregnancy by stopping ovulation (the release of an egg from the ovary). They also change the lining of the uterus to prevent a fertilized egg from implanting.

Common Side Effects
acetaminophen
  • Headache
  • Nausea
estradiol
  • Headache
  • Heavy menstrual bleeding
  • Nausea
  • Painful periods
  • Acne
FAERS Reports
acetaminophen
  • Fatigue 34,487
  • Nausea 29,567
  • Headache 28,380
  • Pain 28,314
  • Diarrhoea 23,626
estradiol
  • Product Adhesion Issue 5,172
  • Headache 5,036
  • Nausea 4,754
  • Fatigue 4,511
  • Pain 3,480
Serious Warnings
acetaminophen

Taking more acetaminophen than directed can cause liver damage. Follow the dosage instructions carefully.

estradiol

Cigarette smoking increases your risk of serious heart problems from birth control pills. This risk is higher if you are over 35 and smoke more cigarettes. You should not take Iclevia if you are over 35 and smoke.

Pregnancy
acetaminophen

If you are pregnant or breastfeeding, talk to your doctor before using this medicine. They can help you weigh the risks and benefits.

estradiol

Do not use Iclevia if you are pregnant. If you become pregnant while taking Iclevia, stop taking it right away. Iclevia can reduce milk production, so you may want to use a different birth control method while breastfeeding.

How to Read This acetaminophen vs estradiol Comparison

acetaminophen is classified in the Analgesic / Antipyretic drug class, while estradiol sits within the Estrogen Hormone 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 estradiol has 22,953. 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 these two drugs can change how the other is processed, which may raise hormone levels and lower the amount of pain medicine in your blood. this could make your pain reliever less effective.. 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 estradiol.

Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.