Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take chloroquine with all of your drugs and health problems. Eye doctors for plaquenil screening Dsdna hydroxychloroquine Chloroquine is a 9-aminoquinoline that has been known since 1934. Specifically synthesised to be used as an antimalarial agent, chloroquine was subsequently shown to have immunomodulatory properties that have encouraged its application in the treatment of autoimmune diseases such as rheumatoid arthritis. Usual Adult Dose for Malaria Prophylaxis. 500 mg chloroquine phosphate 300 mg base orally on the same day each week Comments-If possible, suppressive therapy should start 2 weeks prior to exposure; if unable to start 2 weeks before exposure, an initial loading dose of 1 g chloroquine phosphate 600 mg base may be taken orally in 2 divided doses, 6 hours apart. Chloroquine phosphate is in a class of drugs called antimalarials and amebicides. It is used to prevent and treat malaria. It is also used to treat amebiasis. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information. For all uses of chloroquine: WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Do not start, stop, or change the dose of any drug without checking with your doctor. Chloroquine used for what countries Home Chloroquine Department of Defence, Chloroquine Dosage Guide with Precautions - Hair loss with plaquenil A severe eye problem has happened with chloroquine. This may lead to lasting eyesight problems. The risk may be higher if you have some types of eye or kidney problems. The risk may also be higher with some doses of chloroquine, if you use chloroquine for longer than 5 years, or if you take certain other drugs like tamoxifen. Chloroquine Indications, Side Effects, Warnings -. Chloroquine MedlinePlus Drug Information. Chloroquine Confirmed Effective as Coronavirus Cure.. Chloroquine is an aminoquinoline used for the prevention and therapy of malaria. It is also effective in extraintestinal amebiasis and as an antiinflammatory agent for therapy of rheumatoid arthritis and lupus erythematosus. Chloroquine has been used in South Korea with promising results that may account for the lower morbidity and mortality rates. China has also looked at Chloroquine use in fighting the Coronavirus Wuhan Flu. Here is a link that discusses Zinc and Chloroquine use, but the intriguing aspect is the Chloroquine effect on viruses. 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. Does chloroquine and proguanil protect against malaria? Although chloroquine is an antimalarial, it is often not sufficient for prophylaxis.