It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Plaquenil and weight loss surgery Plaquenil a adderall Hydroxychloroquine side effects weight gain For patients taking hydroxychloroquine to prevent malaria Your doctor may want you to start taking this medicine 1 to 2 weeks before you travel to an area where there is a chance of getting malaria. This will help you to see how you react to the medicine. Histamine H2 blockers Tagamet, Pepcid, Zantac Although histamine blockers, a class of acid-reducing drugs, seem like they would help prevent histamine intolerance, these medications can actually deplete DAO levels in your body. Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Plaquenil and pepcid Plaquenil and Famotidine drug interactions - eHealthMe, Everything You Need To Know About Histamine. - Amy Myers MD Hydroxychloroquine methotrexate pricePlaquenil method of actionLow-dose hydroxychloroquine in treatment of porphyriaHydroxychloroquine azathioprine goutHydroxychloroquine 20 mg Hydroxychloroquine can temporarily lower the number of white blood cells in your blood, increasing the chance of getting an infection. If you can, avoid people with infections. Check with your doctor immediately if you think you are getting an infection or if you get a fever, chills, cough or hoarseness, lower back or side pain, or painful or difficult urination. Hydroxychloroquine Oral Route Precautions - Mayo Clinic. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. 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 have found that taking Claritin which is histamine 1 blocker and pepcid h2 blocker helps, but do not take a pepcid within 2 hours of the plaquenil because the plaquenil requires acid to work. Hope this helps you. PLAQUENIL is indicated for the treatment of uncomplicated malaria due to P. falciparum, P. malariae, P. ovale, and P. vivax. PLAQUENIL is indicated for the prophylaxis of malaria in geographic areas where chloroquine resistance is not reported. Limitations Of Use In Malaria. PLAQUENIL is not recommended for the treatment of complicated malaria.