Reviews and ratings for zantac when used in the treatment of gerd 19 reviews submitted with a 73 average score. Gerd treatment zantac. Zantac is available in tablet, syrup, and injectable formulations adults and children 12 years and over: to relieve symptoms, swallow 1 tablet with a glass of water; to prevent symptoms, swallow 1 tablet with a glass of water 30 to 60 minutes before eating food or drinking beverages that cause heartburn; can be used up to twice daily (do not take more than 2 tablets in 24 hours).
gerd treatment zantac