DRUG INTERACTIONS: Tell your doctor of all nonprescription and prescription medication you may use, especially: other adrenaline- like drugs (e.g., pseudoephedrine), anticholinergics (e.g., benztropine), xanthine products (e.g., theophylline, caffeine), corticosteroids (e.g., prednisone), "water pills" (diuretics- e.g., furosemide), beta-blockers (e.g., propranolol), MAO inhibitors (e.g., furazolidone, selegiline, phenelzine, moclobemide, linezolid, procarbazine), certain antidepressants (e.g., amitriptyline). 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. Symptoms of overdose may include fast or irregular heartbeat.

NOTES: Do not share this medication with others.

MISSED DOSE: This drug is generally prescribed only as needed. For chronic daily use, consult your doctor or pharmacist for missed dose advice. Do not "double-up" the dose to catch up.

STORAGE: Bottles: Store unopened bottles at room temperature 77 degrees F (25 degrees C) away from light and moisture. Opened bottles may be stored at room temperature for 30 days. Single use vials: Store unopened vials at room temperature away from light and moisture. Discard vials after one use. Do not freeze.