One such commonly used medication for dermatologic and rheumatologic inflammatory conditions is hydroxychloroquine (Plaquenil), a chloroquine derivative. It is used to treat many diseases including malaria, rheumatoid arthritis and systemic lupus erythematosus. When is the best time to take plaquenil What if i accidentally take 2 plaquenil I think it's due to Hydroxycholoroquine-induced hyperpigmentation an example of drug-induced skin pigmentation. I thought it worth showing those of you on the medication. Why is it so much worse on the right forearm? Well she's only just started to drive again. The pathogenesis underlying chemotherapy-related dyspigmentation is not completely known, but some proposed mechanisms for this hyperpigmentation include direct stimulation of melanin production and postinflammatory hyperpigmentation after drug-induced toxicity to the keratinocytes. We report two cases of hydroxychloroquine-induced hyperpigmentation presenting in a 50-year-old Caucasian female case 1 and a 78-year-old female case 2, both receiving 400 mg per day. Case 1 had an arthritis predominant undifferentiated connective tissue disease, which was treated with hydroxychloroquine for 4-5 years. It is imperative that patients and physicians are aware of and watch for this drug’s ocular side effects. Retinal toxicity from hydroxychloroquine is rare, but even if the medication is discontinued, vision loss may be irreversible and may continue to progress. Plaquenil induced hyperpigmentation Drug-Induced Hyperpigmentation Review and Case Series American Board., Drug-Induced Pigmentation Background, Pathophysiology, Etiology What companies makes safest hydroxychloroquineAralen medicamentoBuy chloroquine and proguanil bootsAralen online games Drug-Induced Hyperpigmentation caused by Plaquenil Hydroxychloroquine Plaquenil Hydroxycholoroquine Side Effects. Dermatologic side effects have included mucocutaneous hyperpigmentation, nonlight-sensitive psoriasis, bleaching of hair, alopecia, pruritus, photosensitivity, and skin eruptions such as urticarial, morbilliform, lichenoid, maculopapular, purpuric, erythema annulare centrifugum, Stevens-Johnson syndrome, acute generalized exanthematous pustulosis, and exfoliative dermatitis. Systemic Scleroderma Skin Involvement Hyperpigmentation.. Hydroxychloroquine-induced hyperpigmentation the staining.. Hydroxychloroquine-induced pigmentation in patients with.. The antimalarials are one of the most commonly prescribed drugs in medical practice, for conditions such as rheumatoid arthritis as well as malaria. They are generally well-tolerated and the possible side effects of synthetic antimalarials, though Plaquenil and Skin hyperpigmentation - from FDA reports Summary Skin hyperpigmentation is found among people who take Plaquenil, especially for people who are female, 50-59 old, have been taking the drug for 5 - 10 years, also take medication Omniscan, and have Arteriogram. 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.