DRUG INTERACTIONS: Tell your doctor of any nonprescription or prescription medication you may take, particularly: lithium, potassium supplements, high blood pressure drugs, antidepressants, psychiatric medicines, thyroid hormones, water pills, furazolidone. 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: Drink plenty of fluids, especially water while taking this medication. It will help to break up mucus and clear congestion.

MISSED DOSE: If you miss a dose, take it as soon as remembered; do not take 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. Do not store in the bathroom.

Suggested Reading by Our Doctors

• Common Cold - Get the facts on common cold causes (virus), symptoms, treatment, how long a cold lasts, how it's transmitted, how to avoid colds and home remedies for this contagious illness.

Read more potassium iodide-ephedrine expectorant related articles »

Latest Medical News

• Boomers Doomed to Disability?
• Gender Divorce Gap After Illness Strikes
• Cigarette Smoking's Decline Levels Off
• 22 Million Cases of Swine Flu in U.S.