Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Chloroquine and breast cancer Plaquenil scarring alopecia Stars. 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. Weight-based dosing in adults and pediatric patients 6.5 mg/kg 5 mg/kg base, not to exceed 400 mg 310 mg base, once weekly on the same day of the week starting 2 weeks prior to exposure, and continued for 4 weeks after leaving the endemic area. I recently went on Plaquenil a few months ago, and I have been noticing how much weight I've been losing. I feel like I am losing too much weight. I am a thin person, and I am sick very often. Last week, I lost three pounds, and the week before I lost two pounds. Everyone keeps commenting that I'm. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Plaquenil and weight gain forum Plaquenil and weight gain? - Sjogren's World, Plaquenil Dosage Guide - Best time to take hydroxychloroquineReticulocytes chloroquine Work on strength training to build your large muscle groups. Workout w heavier weights w fewer repetitions. Sleep at least 8 to 9 hrs/night. Hydrate well w water. Foods to help w healthy weight gain almonds, cashews, pecans, sunflower seeds, flax seeds, walnuts, hummus, avocados, granola. Hydroxychloroquine and weight gain - Answers on HealthTap. Plaquenil and weight loss DailyStrength. Plaquenil For Rheumatoid Arthritis Arthritis Forum.. Weight gain while on Plaquenil? I'm curious if anyone else has experienced weight gain after beginning treatment with plaquenil. I know that the medication is known to cause weight loss and decreased appetite, but I've found that since starting treatment I've gained weight and nothing seems to budge it. How good is Hydroxychloroquine, and any side effects. and above we cannot take 400 mg of plaquenil. on HealthUnlocked does not replace the relationship. Plaquenil is the newest & safest in the class. The drug helps with skin rashes, hair loss, mouth ulcers, joint pain & swelling, fatigue, etc. It takes perhaps 3-4 months to build up & reach full effect. GOOD NEWS hair loss & weight gain are NOT associated with Plaquenil.