I did stop it for 2 weeks early in the treatment due to having to take a coupld other drugs that seemed to give me side effects. I just quit the plaquenil to give my liver a rest at that time. Plaquenil isn a antiparasitic drug with anti-inflammatory affect. Is hydroxychloroquine an immune modulator Plaquenil liver kidney toxicity Does hydroxychloroquine have renal toxicity Find patient medical information for Hydroxychloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Saturday was a week since I stopped taking Plaquenil, aka Hydroxychloroquine, per my doctor's instructions, and I think I am going through some form of withdrawal. 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. Withdrawal syndrome is found among people who take Plaquenil, especially for people who are female, 50-59 old also take medication Lyrica, and have Fibromyalgia. This study is created by eHealthMe based on reports of 48,911 people who have side effects when taking Plaquenil from Food and Drug Administration FDA, and is updated regularly. 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. I have done a lot of research on this drug and haven't run into anybody who has complained of the withdrawal effect. Side effects of quitting plaquenil Had to stop taking Plaquenil -, Plaquenil Withdrawal – Life As An Anomaly Hydroxychloroquine causes hair loss This means that the side effects of Plaquenil are mild and infrequent compared with its potential benefits. As with any medication, allergic reactions including skin rashes and non-allergic reactions can occur. The side effect that is of greatest concern is retinal toxicity. The Risk of Retinal Toxicity with Plaquenil - Sjogren's. Will you have Withdrawal syndrome with Plaquenil - eHealthMe. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis. Hello all, I am currently new to this site and ran across the discussion about stopping Plaquenil. I have been taking Plaquenil for about 8-9 months and thought that it was not helping me because I still have a fair amount of joint pain, fatigue, muscle pain and so many other issues. I have been on the plaquenil 200 mgm for about 4 months now. I did stop it for 2 weeks early in the treatment due to having to take a coupld other drugs that seemed to give me side effects. I just quit the plaquenil to give my liver a rest at that time. Noticed nothing different. Plaquenil isn a antiparasitic drug with anti-inflammatory affect. Jun 19, 2013 Guys, Are there side effects to stopping Plaquenil? If so, what? How soon after do you feel the effects of Sarcoidosis? Michele.