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 and eye exams Pharmacological classification of hydroxychloroquine Dosage for chloroquine syrup This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. What is the most important information I should know about hydroxychloroquine Plaquenil, Plaquenil Sulfate, Quineprox? 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. Get medical help right away if you have any very serious side effects, including sensitivity to light, vision changes e.g. blurred vision, seeing light flashes/streaks/halos, missing/blacked-out areas of vision, muscle weakness, numbness/tingling/pain of the arms/legs. 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. Plaquenil tablets side effects Hydroxychloroquine Sulfate Bulk Uses, Side Effects, Interactions., Plaquenil Withdrawal – Life As An Anomaly Chloroquine primaquine lyme babesiaPlaquenil skin rash picturesPlaquenil yeast infectionHonduras chloroquine sensitive Get medical help right away if you have any very serious side effects, including chest pain, fast/irregular heartbeat, severe dizziness, fainting, seizures. A very serious allergic reaction to. Plaquenil Oral Uses, Side Effects, Interactions, Pictures.. Plaquenil Oral Uses, Side Effects, Interactions.. Plaquenil Side Effects on Your Eyes and Vision. Some side effects 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. Plaquenil helps most people with rheumatoid arthritis, SLE, DLE, treatment of malaria and the control of malaria symptoms, but it may have unwanted side effects in a few people. All medicines can have side effects. Sometimes they are serious, most of the time they are not. You may need medical treatment if you get some of the side effects. Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria. Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term.