Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Plaquenil rheumatoid arthritis dosage Chloroquine base lethal dose Doctors give trusted answers on uses, effects, side-effects, and cautions Dr. Moeser on hydroxychloroquine sulfate adverse effects Hydroxychloroquine, an anti-malarial, is used to treat RA and SLE. Although called "immune-suppresive" it does not have a powerful effect on the immune system. We are still understanding how it works and in general it regulates the communication of immune cells. Hydroxychloroquine is in a class of drugs called antimalarials. It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. However, in some people hydroxychloroquine can cause skin rashes, especially those made worse by sunlight. feeling sick nausea or indigestion. diarrhoea. headaches. bleaching of the hair or mild hair loss. tinnitus ringing in the ears. visual problems. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Adverse effects of hydroxychloroquine Hydroxychloroquine Indications, Side Effects, Warnings., Hydroxychloroquine MedlinePlus Drug Information Quinine vs chloroquineChloroquine trade nameResidul plaquenil in the eyeIs methotrexate the same as plaquenilCan you take glucosamine with plaquenil Call your doctor immediately or get emergency medical help if you experience any of the following serious side effects Any vision problems, such as reading difficulties, sensitivity to light, seeing light flashes or streaks, blurred distance vision, or other issues Hearing problems. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Hydroxychloroquine Side-effects, uses, time to work. Hydroxychloroquine Uses, Dosage & Side Effects -. 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. Hydroxychloroquine is a well-tolerated medication for various rheumatologic and dermatologic conditions. Its main side effects are gastrointestinal upset, skin rash, headache, and ocular toxicity1. Within the eye, hydroxychloroquine can adversely impact the cornea, ciliary body, and retina1 Hydroxychloroquine may cause some people to be agitated, irritable, or display other abnormal behaviors. It may also cause some people to have suicidal thoughts and tendencies, or to become more depressed. If you or your caregiver notice any of these side effects, tell your doctor right away. This medicine may cause hypoglycemia low blood sugar.