Derm Net NZ Medical Editor: Dr Delwyn Dyall-Smith, Dermatologist, Wagga Wagga, NSW, Australia. However, following an identical dose of hydroxychloroquine and chloroquine, tissue levels of chloroquine are 2.5 times those of hydroxychloroquine. Derm Net NZ Editor in Chief: Adjunct Prof Amanda Oakley, Dermatologist, Hamilton, New Zealand. Hydroxychloroquine is preferred due to its safer profile. Plaquenil and daypro used together Hydroxychloroquine sulfate and sun exposure Hydroxychloroquine dose based on weight and renal function Monitoring Hydroxychloroquine is the preferred antimalarial because it is less toxic to the eye. Chloroquine is sometimes tolerated by patients who do not tolerate hydroxychloroquine. Chloroquine is sometimes tolerated by patients who do not tolerate hydroxychloroquine. 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. Hydroxychloroquine is in a class of drugs called antimalarials. It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. Hydroxychloroquine is considered safer than chloroquine during pregnancy and lactation. If there is a of hydroxychloroquine, although studies have not usually confirmed this clinical impression. Chloroquine vs hydroxychloroquine What Is the Difference between Hydroxychloroquine and., Hydroxychloroquine Oral Uses, Side Effects, Interactions. Plaquenil dosage for sjogren& 39Plaquenil oct findings Chloroquine phosphate and hydroxychloroquine sulfate are substituted 4-amino quinoline compounds that differ only by a hydroxy group. Quinacrine hydrochloride also has the 4-amino quinoline radical but has, in addition, a benzene ring; it is classified as an acridine compound. Antimalarial Agents Chloroquine, Hydroxychloroquine, and.. Hydroxychloroquine MedlinePlus Drug Information. Chloroquine & Hydroxychloroquine supporting chemo.. The 4-aminoquinoline drug hydroxychloroquine HCQ is reported to be as active as chloroquine CQ against falciparum malaria, and less toxic. Compare Chloroquine vs Hydroxychloroquine head-to-head with other drugs for uses, ratings, cost, side effects, interactions and more. Chloroquine rated 10.0/10 vs Hydroxychloroquine rated 6.7/10 in overall patient satisfaction. Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine-sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. It is taken by mouth.