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. How long can you take plaquenil for ra Tumors associated with plaquenil Plaquenil doxycycline lyme Hydroxychloroquine retinal deposits If a child takes chloroquine by accident, get medical help right away. If you are 65 or older, use chloroquine with care. You could have more side effects. Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using chloroquine while you are pregnant. Preventing malaria The prevention of malaria. When chloroquine. is used at higher doses for many years, a rare eye condition called retinopathy has occurred. People who take chloroquine for more than five years should get regular eye exams. For more information Check out the CDC malaria website at. Mechanism of action and resistance, as well as status of resistance. studies indicated that chloroquine resistance was CHLOROQUINE Chloroquine was first synthesized in Germany, but it was not recognized as a potent antimalarial drug until the 1940s during the US World War II military effort. By 1946, 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 malaria mechanism of action Antimalarial Drug Mechanism of Action What is Chloroquine., Medicines for the Prevention of Malaria While Traveling. Plaquenil birth defects The mechanisms of action of hydroxychloroquine and chloroquine remain under continuous study in modern molecular medicine 17,18 using advanced tools in computational biology 19, synthetic biology. Mechanisms of action of hydroxychloroquine and chloroquine.. Antimalarial drugs Mode of action and status of resistance. Antimalarial Drug Mechanism of Action What is Chloroquine?. Mechanism of Action Chloroquine, a 4-aminoquinoline, is an anti-protozoal agent. The precise mechanism by which Chloroquine exhibits activity is not known. Chloroquine, may exert its effect against Plasmodium species by concentrating in the acid vesicles of the parasite and by inhibiting polymerization of heme. It can also inhibit certain enzymes by its interaction with DNA. Thus, it has been found that chloroquine’s action is limited to the stages of parasites life cycle that are actively degrading hemoglobin. Although the molecular basis of chloroquine action is yet to be properly elucidated, some progress has been made in understanding its mechanism in the body. Aralen chloroquine is an antimalarial drug used for the treatment of malaria and extraintestinal amebiasis. Common side effects are reduced hearing, tinnitus, nausea, vomiting, and diarrhea. Dosage, drug interactions, and pregnancy and breastfeeding safety are provided.