It may have both an anti-spirochaete activity and an anti-inflammatory activity, similar to the treatment of rheumatoid arthritis. And caution is required if patients have certain heart conditions, diabetes, psoriasis etc. Sle on plaquenil Drug interaction of chloroquine Metformin versus hydroxychloroquine for tyle 2 diabetes Tapering off plaquenil Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of malaria chloroquine-resistant. The United States Center for. Cimetidine Moderate Avoid concomitant use of hydroxychloroquine and cimetidine as cimetidine may inhibit the metabolism of hydroxychloroquine as observed with the structurally similar chloroquine. However, the mechanism of inhibition of chloroquine metabolism appears to be via CYP inhibition, and hydroxychloroquine is not a known CYP substrate; cimetidine inhibition of hydroxychloroquine metabolism has not been demonstrated. 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. This medicine is not effective against all strains of malaria. The most serious adverse effects affect the eye, with dose-related retinopathy as a concern even after hydroxychloroquine use is discontinued. The most common adverse effects are a mild nausea and occasional stomach cramps with mild diarrhea. Plaquenil generic Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria, Plaquenil hydroxychloroquine sulfate dose, indications. Plaquenil overdose treatmentPlaquenil and mosquito bites Plaquenil hydroxychloroquine is available in both brand-name and generic forms. This part of the eMedTV site lists the companies that manufacture generic Plaquenil and explains whether the generic drug is equivalent to the brand-name version. Generic Plaquenil - eMedTV Health Information Brought To Life. Hydroxychloroquine Uses, Dosage & Side Effects -. Plaquenil - Brand name vs Generic DailyStrength. Before taking hydroxychloroquine, tell your doctor and pharmacist if you are allergic to hydroxychloroquine, chloroquine Aralen, primaquine, or any other drugs. tell your doctor and pharmacist what prescription and nonprescription drugs you are taking, especially acetaminophen Tylenol, others, digoxin Lanoxin. Hydroxychloroquine oral tablet is available as a brand-name drug and a generic drug. Brand name Plaquenil. Hydroxychloroquine comes only as a tablet you take by mouth. Hydroxychloroquine is used to treat malaria, lupus erythematosus, and rheumatoid arthritis. How to use Plaquenil. Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage is also based on weight.