SIDE EFFECTS: Shakiness (tremor), nausea, headache, dizziness, nervousness, dry mouth, stomach upset, tiredness, trouble sleeping, or hoarseness may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.To relieve dry mouth, suck on (sugarless) hard candy or ice chips; chew (sugarless) gum, drink water, or use a saliva substitute.Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.Tell your doctor immediately if any of these unlikely but serious side effects occur: fast breathing, muscle weakness/cramping, fast/pounding/irregular heartbeat, increased thirst/urination.Seek immediate medical attention if any of these rare but very serious side effects occur: chest pain, severe dizziness, fainting.A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: dizziness, rash, itching/swelling (especially of the face/tongue/throat), trouble breathing.Rarely, formoterol can cause a worsening of breathing problems (paradoxical bronchospasm) that may be life-threatening. If this occurs, immediately seek medical attention.This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.In the US -Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Quick GuideAsthma Symptoms, Causes, and Medications
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