Plaquenil is 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. Chloroquine phosphate and leather coral What class of medication is plaquenil Hydroxychloroquine HCQ; Plaquenil is used increasingly in the management of a variety of autoimmune disorders, with well established roles in dermatology and rheumatology and emerging roles in. Although hydroxychloroquine is widely used in Spain, mainly in application to rheumatological disorders, very few cases of intoxication caused by this drug have been reported to date. The present clinical case describes the basic characteristics of hydroxychloroquine intoxication, and provides a review of the guidelines for using the drug. First, hydroxychloroquine has an additive in vitro anti-HIV effect to that of zidovudine. 37 Second, chloroquine exerts in vitro an additive anti-HIV-1 effect on the combinations of hydroxyurea plus didanosine or hydroxyurea plus zidovudine in T-cell lines, monocytes, and primary T-cells.2, 38. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. El hydroxychloroquine often used in combination Scarring Alopecia Treatment & Management Medical Care., Hydroxychloroquine, a potentially lethal drug Medicina. Plaquenil and tb Chloroquine CQ and hydroxychloroquine HCQ are both 4-aminoquinoline agents that have been used for more than 70 and 50 years, respectively, to prevent or to treat malarial infections and later also for treating discoid and systemic lupus erythematosus and rheumatoid arthritis. Repurposing Drugs in Oncology ReDO—chloroquine and.. Effects of chloroquine on viral infections an old drug.. Hydroxychloroquine Side Effects, Dosage, Uses, and More. The combination of HCQ with erlotinib can be used safely in daily doses of 150 mg erlotinib and 1000 mg HCQ, as determined by a phase-1 study in 27 patients with advanced non-small cell lung. Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Hydroxychloroquine. Hydroxychloroquine HCQ is recommended for all patients with SLE. There is evidence for multiple beneficial effects of HCQ in SLE,32 yet poor adherence to treatment is not uncommon.33–35 Drug blood levels can be used to assess compliance,33 35 but data are currently insufficient to recommend routine monitoring of drug levels.