acetaminophen, dextromethorphan, and diphenh... Health Article

What other drugs will affect acetaminophen, dextromethorphan, and diphenhydramine?

Before taking this medication, tell your doctor if you are using any of the following drugs:

• celecoxib (Celebrex);

• cinacalcet (Sensipar);

• darifenacin (Enablex);

• imatinib (Gleevec);

• isoniazid;

• quinidine (Quinaglute, Quinidex);

• ranolazine (Ranexa)

• ritonavir (Norvir);

• sibutramine (Meridia);

• terbinafine (Lamisil);

• zidovudine (Retrovir, AZT);

• medicines to treat high blood pressure;

• an antidepressant;

• a diuretic (water pill);

• medication to treat irritable bowel syndrome;

• bladder or urinary medications such as oxybutynin (Ditropan, Oxytrol) or tolterodine (Detrol);

• aspirin or salicylates (such as Disalcid, Doan's Pills, Dolobid, Salflex, Tricosal, and others);

• seizure medication such as phenytoin (Dilantin) or phenobarbital (Luminal, Solfoton); or

• gout medications such as probenecid (Benbemid) or sulfinpyrazone.

If you are using any of these drugs, you may not be able to use acetaminophen, dextromethorphan, and diphenhydramine, or you may need dosage adjustments or special tests during treatment.

There may be other drugs not listed that can affect acetaminophen, dextromethorphan, and diphenhydramine. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.

Where can I get more information?

Your pharmacist has information about acetaminophen, dextromethorphan, and diphenhydramine written for health professionals that you may read.

What does my medication look like?

Acetaminophen, dextromethorphan, and diphenhydramine is available over-the-counter under many brand and generic names. Ask your pharmacist any questions you have about this medication, especially if it is new to you.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.