Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Affect of hydroxychloroquine Hydroxychloroquine 200 mg for rheumatoid arthritis side effects How to dissolve chloroquine diphosphate salt The plaquenil has caused a weight gain of about 20-25 pounds for me. Since I was diagnosed with MCTD a year ago, Plaquenil has been the only medication besides eye supplements, thyroid meds - been stable for years, and most recently Evoxac that I have been given. What Is Plaquenil? Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil is available in generic form. What Are Side Effects of Plaquenil? If you have psoriasis, chloroquine Aralen and hydroxychloroquine Plaquenil can cause problems. Other Medicines That Might Trigger a Flare. A few other drugs to discuss with your doctor include 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 Oral Interactions with Other Medication, Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Oral plaquenilQ fever plaquenilHydroxychloroquine dosage calculatorSaliva drug test hydroxychloroquineChloroquine malaria pills The study is based on hydroxychloroquine sulfate and ranitidine hydrochloride the active ingredients of Plaquenil and Ranitidine hydrochloride, respectively, and Plaquenil and Ranitidine hydrochloride the brand names. Other drugs that have the same active ingredients e.g. generic drugs are not considered. Plaquenil and Ranitidine hydrochloride drug interactions.. Drugs & Medications That Can Trigger Psoriasis Flare-Ups. Ranitidine/otc zantac DailyStrength. 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. Dooley says time of day also matters less with Plaquenil® hydroxychloroquine. But, it’s best taken with food. Non-steroidal anti-inflammatories like ibuprofen and naproxen can give people heartburn or upset stomach, she says, so take them at least two hours before you lie down at night or with medications that protect your stomach. Skin blushing/flushing is found among people who take Zantac and Plaquenil, especially for people who are female, 40-49 old, have been taking the drugs for 1 month, also take medication Claritin, and have Angioedema.