I would think the drug has aggravated a pre-existing condition. There may be another drug that would not cause your GERD. Act chloroquine Chloroquine stability Class action lawsuit against plaquenil In rare cases, Plaquenil can cause cardiomyopathy, a chronic disease of the heart muscle. If you're taking Plaquenil for an autoimmune condition, your symptoms should begin to improve after a few. Dosage for Plaquenil. The adult dose of Plaquenil to suppress malaria is 400 mg on the same day each week. The pediatric weekly suppressive dosage is 5 mg/kg of body weight. The adult dose of Plaquenil to treat an acute attack of malaria is an initial dose of 800 mg followed by 400 mg in six to eight hours and 400 mg for two more days. Get your doctor's opinion and do everything you can to keep taking the Plaquenil - it is a almost miracle medicine and those who really can't tolerate it are very unfortunate. If you want to be sure the problem is due to Plaquenil HCQ you could always try reducing the dose or missing a few days to see if the reflux is any better. 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. Plaquenil is the brand name for the prescription drug hydroxychloroquine. What can i take for heartburn with plaquenil Plaquenil and Gastroesophageal reflux disease - from FDA., Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses Plaquenil cataractsCan hydroxychloroquine affect lfts 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. Never do tomorrow what you can put off till the day after tomorrow! Plaquenil and antacids?. Does anyone suffer from heartburn/indigestion whi.. Stomach problems with Plaquenil • Johns Hopkins Arthritis.. My doctor wants me to start taking Plaquenil tomorrow. I have read some of your comments about nausea, heartburn, indigestion, and hair loss. I am wondering how long it will take to get any of these side effects if at all after I start Plaquenil? One day, one week, one month, one year? Thank. It may take up to six months before the full benefits of Plaquenil are realized. Dosage The usual starting dose of Plaquenil is 200 mg twice a day or 400 mg once a day, administered orally, in people weighing 80 kg or more. Plaquenil side effects over time applicable Plaquenil side effects by gender; Plaquenil side effects by age; On eHealthMe, you can evaluate side effects and drug interactions from 16 million FDA reports. The results are personalized to your gender and age 0-99+.