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 pharmacodynamics Plaquenil side effects on liver May 17, 2012 Plaquenil has certainly NOT caused me to lose weight. nI am heavier than I have ever been - and I eat way less than I used to. Hope you get the answers you need. Take care - Scottie Lucy, meds effect us all differently. Almost any med that can cause weight loss can also cause weight gain. I also find that eating a lot of carbohydrates helps with the GI effects of the plaq and that can contribute to weight gain. I was on Plaquenil for 2 yrs and gained 60 pounds. Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Here are 8 weight loss tips that you can ignore. 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 losing weight Despite Plaquenil dosing recommendations, retinal toxicity., Plaquenil and weight gain - Aralen side effectsMaker of plaquenil Plaquenil and Weight loss - a study from real-world data. Summary Weight loss is found among people who take Plaquenil, especially for people who are female, 50-59 old, have been taking the drug for 5 - 10 years, also take medication Enbrel, and have Pain. Will you have Weight loss with Plaquenil - eHealthMe. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Plaquenil Risk Calculators. Side Effects Nausea, stomach cramps, loss of appetite, diarrhea, dizziness, or headache may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Remember. Does mtx and plaquenil hydroxychloroquine cause weight loss? Hi doctors, does plaquenil hydroxychloroquine causes hair loss? I know that low ferritin does, but is it possible that plaquenil would cause hair los; I have lupus and take plaquenil hydroxychloroquine. I've been taking biotin for a while to see if it would help hair loss. 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.