How to use Ranitidine Hcl. 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. Learn about Zantac (Ranitidine Hcl) may treat, uses, dosage, side effects, drug interactions, warnings, patient labeling, reviews, and related medications. The active ingredient in Zantac 150 Tablets and Zantac 300 Tablets is ranitidine hydrochloride (HCl), USP, a histamine H 2-receptor antagonist. Doctors give trusted answers on uses, effects, side-effects, and cautions: Dr. Sieb on side effects of naproxen 500 mg: I agree with dr elliott, and only wish to add that it is important not to use if there is a chance you could get pregnant, or are early in your pregnancy, since it can cause birth defects. Common Side Effects of Metformin. You should tell your doctor if any of the following symptoms are severe, do not go away, go away and then return, or occur after some time: Nortriptyline, sold under the brand name Pamelor among others, is a medication used to treat depression, neuropathic pain, ADHD, stopping smoking and anxiety. Spalio 13-14 d., Vokietijoje, Estering ralio-kroso trasoje, vyks Pasaulio ralio-kroso čempionato 11 etapas bei 6 - jau paskutinysis Europos ralio-kroso čempionato Super 1600 klasės etapas, kuriame Rokas Baciuška sieks šių metų Europos čempiono vardo. Find a comprehensive guide to possible side effects including common and rare side effects when taking Zantac (Ranitidine Hcl) for healthcare professionals and consumers. The empirical formula is C 13 H 22 N 4 O 3 S.HCl, representing molecular weight of 350.87. Ranitidine HCl is white to pale yellow, crystalline, practically odorless powder, sensitive to light and moisture. Find patient medical information for Acid Reducer (Ranitidine) Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.