Codeine, Phenylephrine, And Promethazine: What Other Drugs Will Affect Codeine Phenylephrine And Promethazine

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What other drugs will affect codeine, phenylephrine, and promethazine?

Many drugs can interact with codeine, phenylephrine, and promethazine. Below is just a partial list. Tell your doctor if you are using:

• atropine (Donnatal, and others), benztropine (Cogentin), dimenhydrinate (Dramamine), methscopolamine (Pamine), or scopolamine (Transderm-Scop);
• a bronchodilator such as ipratroprium (Atrovent) or tiotropium (Spiriva);
• glycopyrrolate (Robinul);
• mepenzolate (Cantil);
• bladder or urinary medications such as darifenacin (Enablex), flavoxate (Urispas), oxybutynin (Ditropan, Oxytrol), tolterodine (Detrol), or solifenacin (Vesicare);
• irritable bowel medications such as dicyclomine (Bentyl), hyoscyamine (Anaspaz, Cystospaz, Levsin, and others), or propantheline (Pro-Banthine);
• ergot medicine such as ergotamine (Ergomar, Cafergot), dihydroergotamine (D.H.E. 45, Migranal Nasal Spray), ergonovine (Ergotrate), or methylergonovine (Methergine);
• an antidepressant such as amitriptyline (Elavil, Etrafon), clomipramine (Anafranil), nortriptyline (Pamelor), and others; or
• a beta-blocker such as atenolol (Tenormin), bisoprolol (Zebeta), metoprolol (Lopressor, Toprol), propranolol (Inderal, InnoPran), and others.

This list is not complete and there may be other drugs that can interact with codeine, phenylephrine, and promethazine. 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.

Last updated:	March 24, 2008