Im a 41 yr old female. I was diagnosed with an ear infection and prescribed antibiotics. I finished the meds but have continue coughing. ..and its worst at night. Ive tried 2 benedryl allergy at night this week with no real sleep. I was considering takeing 2 with 2 tabke spoons of promethazine syrup i had left over from another sickness... Im in tge bathroo nkw and steam seems to work. Wish i had a steam mask to wear while i sit upright in bed.. Guess im concered about possible interactions with those two meds