This medicine is also sometimes given off-label to help the following conditions: Also, let your doctor know if you drink large amounts of alcohol before starting on this medicine. Your doctor will probably want to order frequent tests to check your body's response to chloroquine. American college of rheumatology plaquenil Hydroxychloroquine sulfate and hydroxychloroquine sulfate plaqueni Plaquenil and radiation therapy toxiciy Can I take zantac while taking methotrexate and plaquenil? Asked by margmac Updated 13 January 2015 Topics plaquenil, zantac, rheumatoid arthritis, methotrexate, antacid, stomach, contraindication This appendix provides a table of drug interactions with medications used in other conditions. The British National Formulary BNF includes a summary appendix dedicated to drug interactions. More detailed information can be found in Stockley's Drug Interactions Baxter, 2008. Both of these sources should be checked before adding new drugs to a prescription, particularly if 1 any of the. This is not a list of all drugs or health problems that interact with chloroquine. Tell your doctor and pharmacist about all of your drugs prescription or OTC, natural products, vitamins and health problems. You must check to make sure that it is safe for you to take chloroquine with all of your drugs and health problems. Let your healthcare provider know if your symptoms either don't improve or worsen while taking this medicine. Keep all appointments with your doctor and laboratory. Drug interaction zantac and chloroquine Chloroquine Aralen - Side Effects, Dosage, Interactions - Drugs, Table of drug interactions - Depression in Adults with a Chronic. Hydroxychloroquine sulfatelupusWhen rheunatoid factor elevates while on plaquenilWill plaquenil cause weight gain Drug Interactions With Chloroquine Beta blockers, dapsone, and tramadol are some of the drugs that are known to interact with chloroquine. Some of these reactions can affect the level of the medications in the blood and increase your risk of potentially dangerous side effects. Drug Interactions With Chloroquine. Chloroquine Indications, Side Effects, Warnings -. Chloroquine Oral Uses, Side Effects, Interactions, Pictures, Warnings.. Summary Drug interactions are reported among people who take Zantac and Hydroxychloroquine sulfate together. This study is created by eHealthMe based on reports of 45 people who take Zantac and Hydroxychloroquine sulfate from Food and Drug Administration FDA, and is updated regularly. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is. When certain medicines are taken with Zantac, drug interactions may potentially occur that can decrease the effectiveness of the drugs. These interactions may require your healthcare provider to adjust your dosages or recommend a substitute medication for Zantac.