We were much later told that the Plaquenil had "lowered his tolerance to infection, as it is also an immuno-suppressant." In essence, the medicine allowed the viral infection to cross the barrier between his brain and blood/lungs. His/our question is as to whether he can or should EVER go back on the medication and risk exposure to further illnesses if it is true that Plaquenil or the generic for is, in fact, an immuno-suppressant and presents a serious health risk for him? Off label plaquenil Plaquenil and burning eyes Plaquenil and hair loss message boards Chloroquine diphosphate intercalator dna There are other drugs similar to Plaquenil Prednisone, Methodextrate, etc but he will face the same risks with all of them. All work by suppressing the immune system. If he wants this type of drug he can try to balance control of his autoimmune disease with the risk of infection. 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. Plaquenil sometimes can cause lymphoma. My dads started out in his groin then went to his back and practically ate his. My dads started out in his groin then went to his back and practically ate his. We've been told that his 'count' (900 cells per 1,000) was the highest infection level in the spinal fluid that the doctors had ever seen. All the patients they'd encountered w/lower levels had died. (He was never told of that risk when he was put on the medication.) Added : What I failed to mention (above) is that he almost died in April when this happened. Can plaquenil cause cancer Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses, Plaquenil and loss of appetite - Lupus - MedHelp Plaquenil kidney stonesChloroquine intercalatingPlaquenil con alcoholClaritin and plaquenilChloroquine still effective for malaria prophylaxis Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term. The New Zealand Dermatological Society recommends that to decrease the risk of retina damage, no more than 200mg of Plaquenil should be taken a day, and a dose of 400mg per day should be taken no longer than a few weeks. Long-Term Side Effects of Plaquenil for Rheumatoid.. Can Plaquenil cause Lymphoma? - Treato. Common and Rare Side Effects for Plaquenil Oral. Find information about common, infrequent and rare side effects of Hydroxychloroquine Oral. Plaquenil is used to for the treatment of rheumatoid arthritis RA, some symptoms of lupus, childhood arthritis JIA, and other autoimmune diseases. It is also used for the prevention or treatment of malaria caused by mosquito bites. How to use Plaquenil. Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage is also based on weight.