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 sun allergy Plaquenil and the flu Is plaquenil discontinued Plaquenil eye grib waves 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. Aug 14, 2017 According to the New Zealand Dermatological Society, Plaquenil can cause abnormalities in blood counts. An abnormally low number of white blood cells can lead to infection, because white blood cells defend the body against bacteria. Low platelet count thrombocytopenia can lead to easy bleeding and bruising. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. 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. Does hydroxychloroquine make you bleed The Risk of Retinal Toxicity with Plaquenil, Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis. Plaquenil multiple sclerosis Any vision changes hydroxychloroquine can cause severe and permanent eye damage Easy bruising or bleeding ; Frequent or severe infections ; Signs of heart problems, such as swelling of the ankles, shortness of breath, or an irregular heart rhythm arrhythmia Signs of an allergic reaction, such as Side Effects of Hydroxychloroquine. Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria. Side Effects of Voltarol. Hydroxychloroquine comes only as a tablet you take by mouth. Hydroxychloroquine is used to treat malaria, lupus erythematosus, and rheumatoid arthritis. Plaquenil Hydroxychloroquine is used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus & others. Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria.