Cold or allergy medicine, sleeping pills, muscle relaxers, antidepressants, or seizure medication can add to sleepiness caused by propoxyphene, or could slow your breathing.

Cold or allergy medicine, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures or anxiety may add to the side effects of nefazodone.

Cold or allergy medicine, sedatives, pain medication, muscle relaxers, and medicine for seizures, depression or anxiety can add to the side effects of hydrochlorothiazide and lisinopril.

Cold or allergy medicine, narcotic pain medicine, sleeping pills, sedatives, and medicine for seizures can add to sleepiness caused by brimonidine ophthalmic.

Cold or allergy medicine, sleeping pills, muscle relaxers, and medicine for seizures or anxiety can add to sleepiness caused by tramadol.