Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Hydroxychloroquine topical Chloroquine mexico Chloroquine phosphate during pregnancy Chronic urticaria, a major health problem causing patient's distress, induces often physicians' dilemma while dealing with its etiology, investigations and management. Clinical approach of such cases should include apart from clinical history and physical. We would like to show you a description here but the site won’t allow us. Yes Zantac will work for hives,our son has a sever allergy to Cashews and a few we had to take him to the ER and they gave him Benadryl and another drug in a IV and the Doctor told us it was the same active indgredint as then told us the next time to try giving him 300 mg of Zantac and a double dose of the Benadryl if he broke. Hydroxychloroquine may also be used for purposes not listed in this medication guide. Hydroxychloroquine is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil and zantac Plaquenil -, Can i take antacids while taking plaquenil Hydroxychloroquine is a disease-modifying anti-rheumatic drug DMARD. It regulates the activity of the immune system, which may be overactive in some conditions. Hydroxychloroquine can modify the underlying disease process, rather than simply treating the symptoms. Hydroxychloroquine Side-effects, uses, time to work. Zantac - Ranitide prescribed for sever itching/hives.. Zantac recall FDA studies cancer risk in ranitidine.. Hi As far as I know the advice is to make sure that antacids and Plaquenil are taken at least 4 hours apart. If they are taken together - effectiveness decreases but 4 hours apart is OK. I also am on plaquenil and have been for several years. Diagnosed with systemic scleroderma in 2002. I have developed pulmonary fibrosis in the lower lobe of my left lung last year and have PFT's done every 6months. Zantac is the brand name of the drug ranitidine, which is used to treat stomach and digestive problems. The drug is prescribed for conditions such as gastroesophageal reflux disease GERD, ulcers.