PRECAUTIONS: If you have any of the following health problems, consult your doctor before using this medication: liver disease, alcohol dependency, any allergies. Acetaminophen may cause liver damage. Daily use of alcohol, especially when combined with acetaminophen, may increase your risk for liver damage. Check with your doctor or pharmacist for more information. Acetaminophen is often used instead of aspirin. They are equally effective in relieving pain. However, acetaminophen does not reduce swelling and inflammation like aspirin does. Aspirin is the drug of choice in arthritis. There are many brands and forms of acetaminophen on the market. Read the dosing instructions carefully as the amount of acetaminophen may vary among products. Acetaminophen appears to be safe for use during pregnancy. Use only if clearly needed. Acetaminophen is found in breast milk, but side effects in nursing infants have not been reported. Consult your doctor if you are breast-feeding.

DRUG INTERACTIONS: Tell your doctor of all nonprescription and prescription drugs you use, especially of: isoniazid, phenytoin, phenobarbital, zidovudine, sulfinpyrazone. Acetaminophen is an ingredient in many nonprescription products and in some combination prescription medications. Read the labels carefully before taking other pain relievers, fever reducers, or cold products to see if they also contain acetaminophen. Consult your pharmacist if you are uncertain if your other prescription or nonprescription products contain acetaminophen. (Also see adult maximum daily dose information in Side Effects section). Do not start or stop any medicine without doctor or pharmacist approval.

OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly. This medicine may be harmful if swallowed. Symptoms of overdose may include vomiting, excessive sweating, severe nausea, yellowing eyes or skin, dark urine, stomach pain, extreme fatigue.