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DRUG INTERACTIONS: Tell your doctor of any over-the-counter or prescription medication you may take, especially of: oral corticosteroids, immunosuppressants, other allergy medications, drugs which affect certain liver enzymes (CYP 3A4 inhibitors including azole antifungals such as ketoconazole, itraconazole). Do not start or stop any medicine without doctor or pharmacist approval.

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.

NOTES: It may take 3 to 7 days before the effects of this medication are seen. Maximum benefit results from regular use as prescribed. If no improvement is noted by the third week of continued use, contact your doctor. Inform all your doctors you use, or have used, this medication.

MISSED DOSE: If you miss a dose, use it as soon as remembered; do not use it if it is near the time for the next dose, instead, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the dose to catch up.

STORAGE: Store at room temperature between 59 and 86 degrees F (15 to 30 degrees C), away from heat and light as directed. Do not store in an area of high humidity such as a bathroom. Keep out of reach of children. Store inhaler with valve pointing upward. Once the inhaler has been removed from its aluminum pouch it should be used within 6 months.

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.