I took the drug as a treatment for sarcoidosis and one of the side effects is a reduction in white blood cells, which is what has happened to me. Plaquenil is used in the treatment of sarcoidosis but its main use is in the treatment of malaria. Medicine for lupus plaquenil Colchicine and hydroxychloroquine Fda warning letter sandoz hydroxychloroquine Plaquenil isn a antiparasitic drug with anti-inflammatory affect. I have done a lot of research on this drug and haven't run into anybody who has complained of the withdrawal effect. Over the years on this site we have had quite a few people post that they didn't think that the plaquenil was working so they would stop taking it. You must check to make sure that it is safe for you to take hydroxychloroquine with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor. What are some things I need to know or do while I take Hydroxychloroquine? For all uses of hydroxychloroquine If your rheumatoid arthritis symptoms do not improve, or if they worsen, stop taking the drug and call your doctor. Once you and your doctor are sure the drug works for you, do not stop taking hydroxychloroquine without talking to your doctor. Symptoms of rheumatoid arthritis will return if you stop taking hydroxychloroquine. For the four years that I took the drug, my eye sight never bothered me and bi-annual eye tests revealed no changes. One of the side effects of taking the drug is that it affects eye sight, and eye tests, especially tests need to be done every six months. Ok to stop taking hydroxychloroquine Had to stop taking Plaquenil -, Hydroxychloroquine Indications, Side Effects, Warnings. Plaquenil effects on eyesPlaquenil tb Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking hydroxychloroquine and call your doctor at once if you have trouble. Hydroxychloroquine - Side Effects, Dosage, Interactions - Drugs.. Hydroxychloroquine MedlinePlus Drug Information. Plaquenil Withdrawal – Life As An Anomaly. Do not stop taking the medication without first speaking to your doctor. Taking Hydroxychloroquine with food and/or milk can help prevent stomach upset. If you miss a dose, take it as soon as you remember. Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria 2. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis. According to the Mayo Clinic, it can take up to six months' constant use before an effect is seen in RA 1. Taking the medication for the full six months can help you make a decision about continuing it. Does Hydroxychloroquine Have Side Effects? Like all medications, there is the risk of side effects. Fortunately, the problems seen by people taking this medication are usually very mild. Serious side effects are rare.