In many cases, once the offending drug has been stopped, fading of the lesions occurs. However, the pigmentation may last a long time or become permanent. Plaquenil seronegatice ra Hydroxychloroquine plaquenil direct sunlight Feb 19, 2020 Dosage for Plaquenil. The adult dose of Plaquenil to suppress malaria is 400 mg on the same day each week. The pediatric weekly suppressive dosage is 5 mg/kg of body weight. The adult dose of Plaquenil to treat an acute attack of malaria is an initial dose of 800 mg followed by 400 mg in six to eight hours and 400 mg for two more days. The imputability of hydroxychloroquine in the genesis of this discoloration is difficult to establish. Our study supports the hypothesis that ecchymosis, platelet antiaggregants and oral anticoagulants may be the main predisposing factors to hydroxychloroquine-induced pigmentation. The incidence of hydroxychloroquine-related hyperpigmentation in patients with systemic lupus erythematosus is about 7%, but unlike hydroxychloroquine-related retinopathy, there is no clear association with cumulative dose or duration of use.1 Roughly half of cases occur in the first five years of treatment. Hydroxychloroquine is widely used in the treatment of post-Lyme arthritis. Because many drugs that induce skin pigmentation also cause photosensitivity reactions, sun protection is usually recommended. Hydroxychloroquine pigmentation Plaquenil Pigmentation - BJC Health, Hydroxychloroquine-induced hyperpigmentation in systemic. Why is hydroxychloroquine prescribed Hydroxychloroquine sulfate is a colorless crystalline solid, soluble in water to at least 20 percent; chemically the drug is 2-4-7-Chloro-4-quinolylaminopentylethylamino ethanol sulfate 11. PLAQUENIL hydroxychloroquine sulfate tablets contain 200 mg hydroxychloroquine sulfate, equivalent to 155 mg base, and are for oral administration. Plaquenil Hydroxychloroquine Uses, Dosage, Side Effects.. Hydroxychloroquine-related skin discoloration CMAJ. Hydroxychloroquine-Induced Hyperpigmentation JCR.. This article is from June 2011 and may contain outdated material. Download PDF. Many systemic medications may cause retinal toxicity. One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine Plaquenil, a chloroquine derivative. Hydroxychloroquine is an antimalarial medication that can cause hyperpigmentation of nails, mucosa, and skin 1–5. Retrospective studies cite the incidence of drug-related hyperpigmentation from hydroxychloroquine to be as high as 33% of individuals. Elder abuse is a cause of significant morbidity and mortality in older individuals 7–9. The patient was diagnosed with granuloma annulare GA and started on hydroxychloroquine HCQ 300 mg daily. After 4 months of treatment, she developed bluish grey pigmentation within the plaques of GA with normal surrounding skin figure 1A,B. There was no pigmentation at other body sites.