Get emergency medical help if you have signs of an allergic reaction to Ventolin: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
wheezing, choking, or other breathing problems after using this medicine;
chest pain, fast heart rate, pounding heartbeats or fluttering in your chest;
severe headache, pounding in your neck or ears;
pain or burning when you urinate;
high blood sugar - increased thirst, increased urination, dry mouth, fruity breath odor; or
low potassium - leg cramps, constipation, irregular heartbeats, increased thirst or urination, numbness or tingling, muscle weakness or limp feeling.
Common Ventolin side effects may include:
chest pain, fast or pounding heartbeats;
dizziness;
upset stomach, vomiting;
painful urination;
feeling shaky or nervous;
headache, back pain, body aches; or
cough, sore throat, sinus pain, runny or stuffy nose.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
 Ventolin HFA side effects (more detail)
