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. Drugs like plaquenil Side effects of long term use of plaquenil Price check on hydroxychloroquine 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. 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. 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. 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 from stopping plaquenil Plaquenil Hydroxychloroquine - Side Effects, Dosage., Stopping plaquenil. DailyStrength Hydroxychloroquine treatment myalgia Serious side effects and their symptoms can include the following blurred vision or other vision changes. ringing in your ears or hearing loss. angioedema, or rapid swelling of your skin. hives. mild or severe bronchospasm that causes trouble breathing. sore throat. unusual bleeding or bruising. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Plaquenil Withdrawal – Life As An Anomaly. Common and Rare Side Effects for Plaquenil Oral. Some side effects of hydroxychloroquine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis. Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis. What are some other side effects of Plaquenil? All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away Dizziness. Headache. Feeling nervous and excitable. Not hungry.