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OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly. Symptoms of overdose may include chest pain, abnormally fast or irregular heartbeat, severe nervousness, severe dizziness, fainting, seizures, and severe muscle cramps.

NOTES: Do not share this medication with others. Laboratory and/or medical tests should be performed periodically to monitor your progress or check for side effects. Consult your doctor for more details. Learn to use a peak flow meter, use it daily, and promptly report worsening asthma (such as readings in the yellow or red range, or increased use of quick-relief inhalers).

MISSED DOSE: If you miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.

STORAGE: Store at room temperature between 59 and 86 degrees F (between 15 and 30 degrees C) away from light and moisture. Do not store in the bathroom. Keep all medicines away from children and pets.

MEDICAL ALERT: Your condition can cause complications in a medical emergency. For enrollment information call MedicAlert at 1-800-854-1166 (USA), or 1-800-668-1507 (Canada).

Report Problems to the Food and Drug Administration   You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088. Need help identifying pills and medications? Use the pill identifier tool on RxList.