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. Plaquenil and low white blood count Plaquenil dosage for lyme disease Plaquenil 200 mg tablet nedir Hydroxychloroquine typically is very well tolerated. Serious side effects are rare. The most common side effects are nausea and diarrhea, which often improve with time. Less common side effects include rash, changes in skin pigment such as darkening or dark spots, hair changes, and muscle weakness. Rashes may occur in up to 10% of patients, most commonly morbilliform or psoriasiform. Note that adverse cutaneous reactions to hydroxychloroquine are reported to affect more than 30% of patients with dermatomyositis, compared to a lower risk of rash in patients with cutaneous lupus erythematosus. Hydroxychloroquine is a quinoline medicine 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 medicine is not effective against all strains of malaria. 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. Rash from hydroxychloroquine I had a skin rash from plaquenil hydroxychloroquine. I., Hydroxychloroquine DermNet NZ Hydroxychloroquine vision side effects Hydroxychloroquine 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. Hydroxychloroquine - Side Effects, Dosage, Interactions - Drugs.. Hydroxychloroquine Uses, Dosage & Side Effects -. Hydroxychloroquine Oral Uses, Side Effects, Interactions.. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking hydroxychloroquine and call your doctor at once if you have trouble focusing, if you see light streaks or flashes in your vision, or if you notice any swelling or color changes in your eyes. Call your doctor at once if you have Hydroxychloroquine is used to treat rheumatoid arthritis; discoid and systemic lupus erythematosus SLE. Over the long term hydroxychloroquine can reduce pain, swelling and joint stiffness. If you have lupus, it may also improve the rash. It may be as long as 12 weeks before you notice the benefits. Hydroxychloroquine may cause a condition that affects the heart rhythm QT prolongation.