Malaria parasites can enter the body through these mosquito bites, and then live in body tissues such as red blood cells or the liver. This medication is used to kill the malaria parasites living inside red blood cells. Bupropion and plaquenil Plaquenil for lupus erythematosus Plaquenil macula Hydroxychloroquine sulphate tablets zy-q 200 Chloroquine belongs to a class of drugs known as antimalarials. The United States Centers for Disease Control provide updated guidelines and travel recommendations for the prevention and treatment. Chloroquine is a 4-aminoquinoline with antimalarial, anti-inflammatory, and potential chemosensitization and radiosensitization activities. Chloroquine has two basic groups corresponding to the quinoline-ring nitrogen and the diethylamino side-chain nitrogen with ionization constants of 8.1 and 10.2, respectively 33–36. At a physiologic pH of 7.4, 18 % of chloroquine is monoprotonated but still soluble in lipid and able to traverse cell membranes. Both drugs may be needed for a complete cure and to prevent the return of infection (relapse). In some cases, you may need to take a different medication (such as primaquine) to kill the malaria parasites living in other body tissues. Pharmacology of chloroquine Medicines for the Prevention of Malaria While Traveling., Chloroquine C18H26ClN3 - PubChem Chloroquine phosphate pronounce Pharmacology of Chloroquine and Hydroxychloroquine. The 4-aminoquinolines are weak bases that are completely absorbed from the gastrointestinal tract, sequestered in peripheral tissues, metabolized in the liver to pharmacologically active by-products, and excreted via the kidneys and the feces. Pharmacology of Chloroquine and Hydroxychloroquine Request PDF. Pharmacology of Chloroquine and Hydroxychloroquine Ento Key. Chloroquine - Wikipedia. The 4-aminoquinolines are weak bases that are completely absorbed from the gastrointestinal tract, sequestered in peripheral tissues, metabolized in the liver to pharmacologically active by-products, and excreted via the kidneys and the feces. The parent drugs and metabolites are excreted with a half-life of elimination of approximately 40 days. Uses of Chloroquine It is used to treat or prevent malaria. It is used to treat a type of bowel infection. It may be given to you for other reasons. Mechanism of action of chloroquine. Entry into the parasitized RBCs; 1. Accumulation in food vacuole of the parasite- role of pH gradient chloroquine trapping Affects asexual cycle of plasmodium specie. Once administered, it has to enter site of action. It rapidly enters and gets concentrated in food vacuole, present within erythrocytes.