ACTIVE INGREDIANTS Ranitidine150mg PURPOSE/ USE Zantac Relief is a medicine for the relief of frequent heartburn and acid indigestion. Zantac Relief works by controlling the production of stomach acid offering 12 hour symptomatic relief. DOSAGE Adults and children over 12 years:Swallow 1 tablet whole, with a drink of water (do not chew), as soon as you have any symptoms, at any time day or night.Do not take more than 2 tablets in 24 hours. PRECAUTIONS Not recommended for children under 12 years of age except on medical advice.This preparation is for the relief of minor and temporary ailments and should be used strictly as directed. If symptoms persist or recur within two weeks, consult a doctor. .