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. Malaria is spread by mosquitoes, which transmit the parasites that cause the infection, usually in tropical and subtropical parts of the world. Chloroquine cancer clinical trials Hydroxychloroquine dogbone PLAQUENIL tablets are white, to off-white, film coated tablets imprinted “PLAQUENIL” on one face in black ink. Each tablet contains 200 mg hydroxychloroquine sulfate equivalent to 155 mg base. Bottles of 100 tablets NDC 59212-562-10. Do not crush or divide PLAQUENIL film-coated tablets see DOSAGE AND ADMINISTRATION. Dosage Hydroxychloroquine Plaquenil® is the drug of choice among antimalarials. Chloroquine is not commonly used because of greater toxicity on the eye. The usual dose of Plaquenil is 400mg/day but 600mg/day is sometimes used as part of an induction regimen. It may be prescribed as a single daily dose or in divided doses twice per day. For children and infants, the dose is based on weight. Usually, 5 mg per kg of body weight about 2.3 mg per pound once weekly is recommended, not to exceed the normal adult dosage. Plaquenil comes only in adult-strength tablets, which taste extremely bitter when crushed or chewed. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. Plaquenil is used to treat other types of infections too. Normal dosage of plaquenil Hydroxychloroquine Side Effects, Dosage, Uses, and More, Rheumatoid Arthritis Treatment Options Johns Hopkins. Aralen 150 mg The recommended dose of hydroxychloroquine Plaquenil in adults is 400 mg on exactly the same day of each week. The recommended weekly suppressive dose of hydroxychloroquine Plaquenil in children 6 years of age and older is 5 mg base/kg. This dose should not exceed the adult dose reg ardless of body weight. Plaquenil - Side Effects, Uses, Dosage, Overdose.. Plaquenil Dosage - eMedTV Health Information Brought To Life. Plaquenil Risk Calculators. Medscape - Indication-specific dosing for Plaquenil hydroxychloroquine sulfate, frequency-based adverse effects, comprehensive interactions, contraindications, pregnancy & lactation schedules, and cost information. A cumulative dose of 1000g of hydroxychloroquine or 460g of chloroquine was likely the largest risk factor, which was typically achieved after 5-7 years of a typical dosage 8, 10. However, there have been case reports of patients with hydroxychloroquine toxicity as early as 1.9 months after starting treatment 11. Plaquenil hydroxychloroquine belongs to a group of medicines called quinolines. 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.