SIDE EFFECTS: When used appropriately, side effects with acetaminophen are not common. The most serious side effect is liver damage due to large doses, chronic use or concomitant use with alcohol or other drugs that also damage the liver.
Chronic alcohol use may also increase the risk of stomach bleeding.
Other important side effects include:
- hypersensitivity reactions and
- serious skin reactions
WARNING: Acetaminophen can cause liver failure which can lead to liver transplant and possibly death. Liver toxicity is more commonly due to high amounts of acetaminophen dose, especially when there is more than one product containing acetaminophen.
GENERIC AVAILABLE: Yes.
PREPARATIONS: Solution/suspension: 160 mg/5 ml; Liquid: 500 mg/ml; Chewable tablets: 80, 160 mg; Tablet (disintegrating): 80, 160 mg; Caplets: 325, 500, 650 mg; Caplet (extended release): 650 mg; Gelcaps: 500 mg; Geltabs: 500 mg
STORAGE: Tablets and solutions should be stored at room temperature 15 C to 30 C (59 F to 86 F). Suppositories should be refrigerated below 27 C (80 F).
Quick GuideMigraine or Headache? Migraine Symptoms, Triggers, Treatment
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Need help identifying pills and medications?
Use the pill identifier tool on RxList.