It does not work against certain types of malaria (chloroquine-resistant). The United States Center for Disease Control provides updated guidelines and travel recommendations for the prevention and treatment of malaria in different parts of the world. Hydroxychloroquine rxlist Doea plaquenil affect the immune system Does plaquenil affect gerd Folic acid and hydroxychloroquine Side effects include irritability, headache, weakness, hair lightening or loss, stomach upset, nausea, dizziness, muscle pain, rash and itching. Rarely, hydroxychloroquine can affect the bone marrow leading to reduced white blood cells leukopenia or platelets thrombocytopenia. Many people using this medication do not have serious side your doctor immediately if any of these unlikely but serious side effects occur arm/leg/back pain, fast heartbeat, hair loss/color change, mental/mood changes e.g. anxiety, depression, hallucinations, ringing in the ears/hearing loss, worsening of skin conditions e.g. psoriasismedication may infrequently cause serious sometimes permanent eye problems or muscle damage, especially if you take it for a long time. Plaquenil hydroxychloroquine belongs to a group of medicines called quinolines. Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. This medication is also used, usually with other medications, to treat certain auto-immune diseases (lupus, rheumatoid arthritis) when other medications have not worked or cannot be used. Discuss the most recent information with your doctor before traveling to areas where malaria occurs. Side effects hydroxychloroquine plaquenil Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria, HYDROXYCHLOROQUINE - ORAL Plaquenil side effects, medical. Plaquenil allergic reaction rashPlaquenil appetitePlaquenil homeopathyBlack cohosh and plaquenil Find patient medical information for Hydroxychloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Hydroxychloroquine Oral Uses, Side Effects, Interactions.. Plaquenil Uses, Dosage & Side Effects -. Hydroxychloroquine Oral Route Side Effects - Mayo Clinic. Plaquenil hydroxychloroquine is commonly used for lupus in children because of less side effects compared to other medications. Plaquenil hydroxychloroquine helps minimize joint damage. It can also decrease symptoms and future complications. 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. The more common side effects that can occur with hydroxychloroquine include headache. dizziness. diarrhea. stomach cramps. vomiting.