Potential side effects of using a ProAir inhaler result from the active ingredient albuterol and include shaking, pounding heartbeat, cough, difficulty breathing and difficulty swallowing, according to Drugs.com. Other potential side effects include nervousness, headache, nausea and irritation of the throat, reports WebMD.
Some side effects that are less common, but can be severe, include rapid heart rate and palpitations, explains Mayo Clinic. Other rare but serious side effects that require urgent medical help include rapid breathing, irregular heartbeat, chest pain and confusion, notes WebMD. The drug has the potential of causing serious allergic reactions, such as severe dizziness, rash, swelling and itching. Other rare side effects include wheezing, tightness in the chest, and hives or welts, reports Drugs.com.