Your doctor or pharmacist may already be aware of any possible drug interactions
and may be monitoring you for them. Do not start, stop, or change the dosage
of any medicine before checking with them first.
This drug should not be used with the following medication because very serious
interactions may occur: naltrexone.
If you are currently using this medication, tell your doctor or pharmacist before
starting this drug.
Before using this medication, tell your doctor or pharmacist of all prescription
and nonprescription products you may use, especially of: other medications for
pain, cimetidine, isoniazid, MAO inhibitors (e.g., furazolidone, linezolid,
moclobemide, phenelzine procarbazine, rasagiline, selegiline, isocarboxazid,
tranylcypromine), anti-seizure drugs (e.g., carbamazepine, phenobarbital, phenytoin),
anticholinergic drugs/antihistamines (e.g., hydroxyzine, oxybutynin, scopolamine).
Also report drugs that cause drowsiness such as: medicine for sleep (e.g., sedatives),
tranquilizers, anti-anxiety drugs (e.g., diazepam), psychiatric medicines (e.g.,
phenothiazines such as chlorpromazine, or tricyclics such as amitriptyline),
muscle relaxants, antihistamines that cause drowsiness (e.g., diphenhydramine).
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).
This document does not contain all possible interactions. Therefore, before
using this product, tell your doctor or pharmacist of all the products you use.
Keep a list of all your medications with you, and share the list with your doctor
and pharmacist.