According to legend it was first brought to Europe by a Countess who had been treated with it in Peru in the 1600s. In 1820, two French chemists isolated quinine from the cinchona bark and quinine became a treatment of reference for intermittent fever throughout the world. Quinine remains an important and effective treatment for malaria today, despite sporadic observations of quinine resistance. Effects of plaquenil on pregnancy Half life of plaquenil High doses of chloroquine, such as those used to treat rheumatoid arthritis, have been associated with retinopathy; this serious side effect appears to be extremely unlikely when chloroquine is used for routine weekly malaria prophylaxis. Chloroquine and related compounds have been reported to exacerbate psoriasis. 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. Dr. Rigano said their study found that those COVID-19 patients who took hydroxy-chloroquine were found free of the disease in 6 days. The patients were testing negative for the coronavirus in six days! Dr. Rigano also said taking choroquine could act as a preventative. This is a remarkable study! These compounds belonged to a new class of antimalarials, the four-amino quinolines. Research by German scientists to discover a substitute for quinine led to the synthesis in 1934 of Resochin (chloroquine) and Sontochin (3-methyl-chloroquine). Chloroquine derived from Chloroquine MedlinePlus Drug Information, Chloroquine Aralen - Side Effects, Dosage, Interactions. Plaquenil skin pigmentation 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. Chloroquine Uses, Side Effects & Warnings -. HUGE! New Study Reveals Taking Chloroquine Fights Off.. Chloroquine and hydroxychloroquine – Knowledge for medical students and.. Chloroquine isn’t new. Its use dates back to World War II, and it’s derived from the bark of the Chinchona tree, like quinine, a centuries-old antimalarial. Is a rapid access, point-of-care medical reference for primary care and emergency clinicians. Started in 1995, this collection now contains 6760 interlinked topic pages divided into a tree of 31 specialty books and 732 chapters. Hahn also highlighted another experimental treatment possibility that the FDA is investigating Using plasma derived from blood taken from coronavirus patients who have recovered, and injecting.