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 american college of rheumatology Hydroxychloroquine ok to stop Side Effects 200mg twice a day caused low blood pressure, poor circulation in extremities, extreme heat radiating from my body that woke me up in the middle of the night, frequent urination, and hea. 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. Find patient medical information for Hydroxychloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. 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 thin blood If You Have Chronic Lymphocytic Leukemia CLL, Hydroxychloroquine Oral Route Side Effects - Mayo Clinic Ocular side effects hydroxychloroquineHydroxychloroquine hcqMoa chloroquine malariaPlaquenil treatment 1cd 10 Jan 20, 2014 Does plaquenil hydroxychloroquine change blood test results, and which blood tests exactly does it alters? Dr. Ronald Krauser, Bowman Gray School of Medicine of Wake Forest University Answered Jan. 20, 2014 Does plaquenil hydroxychloroquine change blood test results.. Hydroxychloroquine Oral Uses, Side Effects, Interactions.. Hydroxychloroquine Uses, Dosage & Side Effects -. 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. Plaquenil is the brand name of hydroxychloroquine, a drug used to prevent or treat malaria 2. Plaquenil is also used for long-term treatment of autoimmune diseases such as rheumatoid arthritis RA and systemic lupus erythmatosis. According to the Mayo Clinic, it can take up to six months' constant use before an effect is seen in RA 1. Methotrexate can be associated with lowering of the blood counts, irritation of the lungs called pneumonitis, and liver injury. It is important to avoid drinking alcohol while taking methotrexate. Avoidance of pregnancy is essential as methotrexate can cause miscarriages and birth defects.