question: My husband, 62, has diabetes takes metformin, 1000 mg X2 & Trulicity 1.5 once a week, also takes lisinopril 12mg & Omaprazole .mg both 1X a day. He has developed a dry cough, had for about 5 days now, cough syrup helps him sleep. Coughs on & of all day, clears his throat a lot?