NARCOTIC ANALGESICS WITH ACETAMINOPHEN-ORAL (cont.)
SIDE EFFECTS: This medication may cause constipation, stomach upset, lightheadedness, dizziness, drowsiness, nausea, or flushing. If any of these effects persist or worsen, contact your doctor or pharmacist promptly. Tell your doctor immediately if you have any of these unlikely but serious side effects: loss of coordination, confusion, irregular heartbeat, slow/irregular breathing, anxiety, tremors. If you do not have liver problems, the adult maximum dose of acetaminophen is 4 grams per day (4000 milligrams). If you take more than the maximum daily amount, it may cause serious (possibly fatal) liver disease. Tell your doctor immediately if you have any of the following symptoms of liver damage: severe nausea, yellowing eyes or skin, dark urine, stomach pain, extreme fatigue. An allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include: rash, itching, swelling, severe dizziness, trouble breathing. If you notice other effects not listed above, contact your doctor or pharmacist.
PRECAUTIONS: Before using this medication, tell your doctor or pharmacist your medical history, especially of: liver disease, kidney disease, history of alcohol use, heart problems (e.g., slow/irregular heartbeat, very low blood pressure), abdominal/stomach problems, breathing problems, seizure disorders, drug dependency, severe diarrhea, drug allergies. Avoid alcoholic beverages, because they may increase certain side effects of this drug. Use caution when performing tasks requiring alertness such as driving or using heavy machinery. 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. Caution is advised when prescribing or using this drug in the elderly or very young since they may be more sensitive to the effects of this medication. This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor. This drug (or drugs closely related to it) pass into breast milk. Because of the potential risk to the infant, consult your doctor before breast-feeding.
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?
Back to Medications Index