Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Can plaquenil cause itchy face Can costco eye care do plaquenil eye exam PLAQUENIL hydroxychloroquine sulfate tablets contain 200 mg hydroxychloroquine sulfate. Mechanism of action The precise mechanism by which hydroxychloroquine exhibits activity against. Plasmodium. is not known. Hydroxychloroquine, like chloroquine, is a weak base and. Insulin or antidiabetic drugs As PLAQUENIL may enhance the. The action of hydroxychloroquine is cumulative and may require weeks to months to achieve the maximum therapeutic effect see CLINICAL PHARMACOLOGY. Initial adult dosage 400 mg to 600 mg 310 to 465 mg base daily, administered as a single daily dose or in two divided doses. Three anti-malarial drugs are prescribed for lupus symptoms. Hydroxychloroquine Plaquenil is the most commonly prescribed because it is generally believed to cause fewer side effects; chloroquine Aralen has a reputation for more serious side effects, but it may be prescribed in situations where hydroxychloroquine cannot be used. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil drug action Hydroxychloroquine Professional Patient Advice -, Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects. Plaquenil and breastfeedingPsoriasis and plaquenilPlaquenil for alopecia areataOcular side effects of hydroxychloroquine Hydroxychloroquine is a quinoline medicine used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. Hydroxychloroquine Uses, Dosage & Side Effects -. Treating Lupus with Anti-Malarial Drugs Johns Hopkins.. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Does Plaquenil Interact with other Medications? Severe Interactions. These medications are not usually taken together. Consult your healthcare professional e.g. doctor or pharmacist for more in. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. Hydroxychloroquine mechanism of action. Hydroxychloroquine is both an antimalarial drug and a disease-modifying anti-rheumatic drug DMARD. As an antimalarial drug, hydroxychloroquine has been shown to accumulate in malaria parasite lysosomes, increasing the pH.