What other drugs affect HyTan (Chlorpheniramine Hydrocodone)?
Narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression or anxiety can add to sleepiness caused by chlorpheniramine and hydrocodone. Tell your doctor if you regularly use any of these medicines, or any other cold or allergy medicine. Tell your doctor about all other medications you use, especially: atropine (Donnatal, and others), benztropine (Cogentin), dimenhydrinate (Dramamine), methscopolamine (Pamine), or scopolamine (Transderm-Scop) bronchodilators 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); or an MAO inhibitor such as isocarboxazid (Marplan), phenelzine (Nardil), rasagiline (Azilec