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. Plaquenil side effects can you drink Plaquenil for babesia 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. Lots of people experience some GI issues when starting Plaquenil, but they usually subside after a short time. Did you start Plaquenil when you rec'd your diagnosis and did the constipation begin at the same time? I think it might be possible that the constipation could have something to do with the Lupus, as it can affect the GI tract also. Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects. 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 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. Side effects of starting plaquenil Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis., Bad Side Effects of Plaquenil - Plaquenil skin cancerHydroxychloroquine 200 mg without prescriptionHydroxychloroquine sulphate pregnancy 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. Plaquenil Withdrawal – Life As An Anomaly. Plaquenil Side Effects Common, Severe, Long Term -. Plaquenil Hydroxychloroquine - Side Effects, Dosage, Interactions - Drugs. If you are taking Plaquenil to treat an inflammatory condition or malaria, you should be aware of the side effects that may occur to your eyes and vision. Plaquenil hydroxychloroquine is in a class of drugs called disease-modifying anti-rheumatic drugs, which are used to decrease inflammation, pain and joint damage. SIDE EFFECTS. The following adverse reactions have been identified during post-approval use of PLAQUENIL or other 4-aminoqunoline compounds. Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure. 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.