Question: what over the counter medicine is good for wheezing?
Answer: Racepinephrine. Racepinephrine (Asthmanefrin) is a bronchodilator that improves breathing by relaxing muscles in the airways. ... 
Epinephrine. Also known as adrenaline, epinephrine (EpiMist) is a bronchodilator that can open up airways to facilitate breathing. ... 
Ephedrine.