Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking chloroquine: Incidence not known Some side effects of chloroquine may occur that usually do not need medical attention. Chloroquine sle Can you take plaquenil with metoprolol Chloroquine is an anti-malaria medicine that works by interfering with the growth of parasites in the red blood cells of the human body. Parasites that cause malaria typically enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Hydroxychloroquine Plaquenil, chloroquine Aralen, and quinacrine Atabrine are medications that were originally used to prevent or treat malaria. However, during World War II it was also found that these medications were effective in treating the symptoms of lupus. In most cases, 250 mg tablets have an equivalence of 150 mg chloroquine base, and 500 mg tablets have an equivalence of 300 mg chloroquine base. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Chloroquine pills Chloroquine Phosphate Prices, Coupons & Savings Tips - GoodRx, Treating Lupus with Anti-Malarial Drugs Johns Hopkins. Leukemia and plaquenilPlaquenil and liverPlaquenil and tattoos Chloroquine is an antimalarial. It is used to prevent malaria and it is also used as a treatment for acute malaria. Chloroquine by itself is not recommended anymore due to the widespread resistance to it. Therefore, chloroquine is now used in combination with proguanil for travel to certain countries. Chloroquine and Proguanil - Superdrug Health Clinic. Chloroquine phosphate REEF2REEF Saltwater and Reef.. Chloroquine Side Effects -. Hydroxychloroquine is used to treat the symptoms of rheumatoid arthritis and systemic lupus erythematosus and to prevent and treat malaria. Includes hydroxychloroquine side effects, interactions and indications. Side Effects. Drug information provided by IBM Micromedex Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Chloroquine is the generic form of the brand-name prescription medicine Aralen, which is used to prevent and treat malaria — a mosquito-borne disease caused by a parasite — and to treat amebiasis, an infection of the intestines caused by a parasite.