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. Hydroxychloroquine sulfate contraindications Chloroquine ph 500 mg tablet Chloroquine coupon How often to take aralen Plaquenil is a prescription medication used to reduce pain and swelling caused by diseases of the immune system such as rheumatoid arthritis, juvenile arthritis, and systemic lupus erythematosus SLE. This medication belongs to a group of drugs called DMARDs disease modifying antirheumatic drugs which work by suppressing the excessive activity of the immune system. The weight and appetite loss actually started some time before starting the plaquenil though! level 1. 3 points 7 months ago. Plaquenil can cause loss of appetite and weight loss. level 2. 1 point 7 months ago. The loss of appetite and weight loss started a month before I started the plaquenil. Jun 30, 2015 Common side effects include nausea, loss of appetite, headache, and diarrhea. Plaquenil can cause blurred vision and dizziness. Do not drive or operate heavy machinery until you know how it affects you. 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 loss of appetite Hydroxychloroquine - Side Effects, Dosage, Interactions., Has anyone experienced loss of appetite and weight loss. Plaquenil for goutHydroxychloroquine uworldHydroxychloroquine vs hydroxychloroquine sulfateH-chloroquine Hydroxychloroquine is in a class of drugs called antimalarials. It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. Hydroxychloroquine MedlinePlus Drug Information. Plaquenil - Side Effects, Uses, Dosage, Overdose, Pregnancy.. Plaquenil Side Effects Common, Severe, Long Term -. Find information about common, infrequent and rare side effects of Plaquenil Oral. Plaquenil can cause loss of appetite and I agree that losing weight at this rate and suffering diarrhea is not healthy and might mean you become ill nourished and dehydrated. I suggest lowering the dose, going back to the original, until your tum has settled down then very gradually increasing it to give your body the maximum chance to adjust. Yes, Plaquenil causes both weight loss and loss of appetite. Hence, if the loss of appetite and weight loss started after you started on this drug, then yes, it could be due to Plaquenil. However, if you had loss of appetite and weight loss before your started this drug, then the drug can aggravate the process.