This medicine is also sometimes given off-label to help the following conditions: Also, let your doctor know if you drink large amounts of alcohol before starting on this medicine. Your doctor will probably want to order frequent tests to check your body's response to chloroquine. What is plaquenil for lupus Plaquenil and yellow fever vaccine Hydroxychloroquine and sulfa allergy Plaquenil maculopathy screening Mar 07, 2020 This interim guidance is for clinicians caring for patients with confirmed infection with severe acute respiratory syndrome coronavirus 2 SARS-CoV-2, the virus that causes coronavirus disease COVID-19. This update includes additional information from recent reports including Characteristics of. Who should not take Chloroquine Phosphate. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed. Nov 25, 2019 Taking chloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Stop taking chloroquine and call your doctor at once if you have trouble focusing, if you see light streaks or flashes in your vision, or if you notice any swelling or color changes in your eyes. Call your doctor at once if you have Let your healthcare provider know if your symptoms either don't improve or worsen while taking this medicine. Keep all appointments with your doctor and laboratory. Precautions of chloroquine CHLOROQUINE PHOSPHATE, USP, Who should not take Chloroquine Phosphate? - WebMD Plaquenil granuloma annulareDoes plaquenil cause melanomaWhat is plaquenil sulfate used forPlaquenil myositisTaking cellcept and plaquenil Precautions. Drug information provided by IBM Micromedex. If you will be taking this medicine for a long time, it is very important that your doctor check your progress at regular visits. This is to make sure that the infection is cleared up completely, and to allow your doctor to check for any unwanted effects. Chloroquine Oral Route Precautions - Mayo Clinic. Chloroquine Uses, Side Effects & Warnings -. Antimalarial - Side Effects, Precautions, and Contraindication. 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 belongs to a group of medicines known as antimalarials. It works by preventing or treating malaria, a red blood cell infection transmitted by the bite of a mosquito. However, this medicine is not used to treat severe or complicated malaria and to prevent malaria in areas or regions where chloroquine is known not to work resistance. Chloroquine is a 9-aminoquinoline known since 1934. Apart from its well-known antimalarial effects, the drug has interesting biochemical properties that might be applied against some viral infections. Chloroquine exerts direct antiviral effects, inhibiting pH-dependent steps of the replication of several viruses including members of the flaviviruses, retroviruses, and coronaviruses. Its best.