This medicine is also sometimes given off-label to help the following conditions: Also, let your doctor know if you drink large amounts of alcohol before starting on this medicine. Your doctor will probably want to order frequent tests to check your body's response to chloroquine. Does hydroxychloroquine lower immune system Is plaquenil used to treat vasculitis Is plaquenil an antimalarial drug Find information about common, infrequent and rare side effects of Chloroquine Oral. If you are taking chloroquine phosphate for a long period of time, your doctor will recommend frequent eye exams. It is very important that you keep these appointments. Chloroquine phosphate can cause serious vision problems. If you experience any changes in vision, stop taking chloroquine phosphate and call your doctor immediately. Find patient medical information for Chloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Let your healthcare provider know if your symptoms either don't improve or worsen while taking this medicine. Keep all appointments with your doctor and laboratory. Chloroquine side effects mnemonic Chloroquine Aralen - Side Effects, Dosage, Interactions - Drugs, Chloroquine MedlinePlus Drug Information Plaquenil and immune systemPlaquenil and extreme fatigue Chloroquine-induced pruritus remains one of the most common side-effects in the use of chloroquine in the prophylaxis and treatment of uncomplicated malaria before the advent of artemisinin-based combination therapies. It has been reported to vary from. Chloroquine-induced Pruritus. Chloroquine Oral Uses, Side Effects, Interactions, Pictures.. Side Effects of Aralen Chloroquine, Warnings, Uses. Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as. Chloroquine does not treat the hypnozoite liver stage forms of Plasmodium and will therefore not prevent relapses of malaria due to P. vivax or P. ovale. Additional treatment with an anti-malarial agent active against these forms, such as an 8-aminoquinoline, is required for the treatment of infections with P. vivax and P. ovale. Cardiac Effects Chloroquine Oral tablet drug summary. Find medication information including related drug classes, side effects, patient statistics and answers to frequently asked questions.