Maximum Strength Zantac 150® Cool Mint Tablets prevent and relieve heartburn associated with acid indigestion. Doctors give trusted answers on uses, effects, side-effects, and cautions: Dr. Fowler on pepcid ac vs zantac: They both are about the same although Pepcid (famotidine) ac also has an antacid in it. How to use Zantac. Take this medication by mouth with or without food as directed by your doctor, usually once or twice daily. It may be prescribed 4 times a day for some conditions. Indigestion and heartburn can be an annoyingly common problem during pregnancy. The good news is it usually disappears after birth. Tell your doctor if you are pregnant, likely to get pregnant or are breast feeding. Greetings. The usual prescription of the Zantac is 150 mg twice daily or 300 mg once a day. Taking more than these doses does not help either in the symtoms or control of the pathophysiological process. I first started developing symptoms of itching and breaking out in small bumps in a few places on my body after eating about 3 years ago. I had all kins of tests done to make its nothing serious and the doctors ended up telling me it urticaria and tht there isnt anything i van do about it. User Reviews for Zantac 150. The following information is NOT intended to endorse drugs or recommend therapy. While these reviews might be helpful, they are not a substitute for the expertise, skill, knowledge and judgement of healthcare practitioners in patient care. I hate taking Nexium too & sometimes wonder whether it's working. I don't get pain as such- just this awful coughing/throat clearing- which is quite uncontrollable & keeps me awake far too often. HI Em! I need something strong than Zantac and Tums. Prilosec works for me but the side effects are terrible. So I am hoping after the endoscopy on friday they can tell me what to do. User Reviews for Zantac. The following information is NOT intended to endorse drugs or recommend therapy. While these reviews might be helpful, they are not a substitute for the expertise, skill, knowledge and judgement of healthcare practitioners in patient care.