Asthma Over the Counter Treatment: OTC Medicine, Inhaler E cigarettes: Know the risks Parkview Health Think vaping is harmless? Think again. Short term side effects include coughing, throat irritation, asthma flare ups, and even seizures or heart issues. Long term effects can include chronic lung disease, impaired lung development, and Vape Flavors Affect Airway Differently, May Worsen Asthma Asthmatic teens even more likely to vape than those without the illness