Stop use and ask a doctor if symptoms persist for more than 7 days or worsen, if new symptoms occur, or if redness or swelling is present because these could be signs of a serious illness.
Do not use if glued carton end flaps or if the blister seal is broken.
Adults 18 years of age and older: At the onset of symptoms dissolve 2 tablets in the mouth and repeat, if needed, every 15 minutes for 3 more doses. Then, dissolve 2 tablets in the mouth every hour until symptoms improve.