Toxic dose of chloroquine

Discussion in 'Chloroquine Phosphate' started by bete_noire, 07-Mar-2020.

  1. .organic XenForo Moderator

    Toxic dose of chloroquine


    Additionally, another exception occurred while executing the custom error page for the first exception. Chloroquine retinopathy, is a form of toxic retinopathy (damage of the retina) caused by the drugs chloroquine or hydroxychloroquine, which are sometimes used in the treatment of autoimmune disorders such as rheumatoid arthritis and systemic lupus erythematosus.

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    Chloroquine and hydroxychloroquine both belong to the quinolone family and share similar clinical indications and side effects, including retinal toxicity. Chloroquine-induced retinal toxicity was first described in 1959 and the retinal toxic effects of hydroxychloroquine were later described in 1967 3, 4. The dosage of chloroquine usually ranges between 100 and 500 mg/day. Side effects are minimal at low doses, while many more toxic effects occur at higher doses, such as visual disturbances, gastrointestinal upset, electrocardiographic changes, headache, and pruritus. Review of side effects and toxicity of chloroquine / by H. Weniger. Effect of four different types of single-dose treatment with chloroquine and with chloroquine.

    The risk of toxicity is low for individuals without complicating conditions during the first 5 years of treatment using less than 6.5 mg/kg/day of hydroxychloroquine or 3 mg/kg/day of chloroquine, and/or cumulative doses of less than 1000 gram and 460 gram (total dose), respectively. This eye toxicity limits long-term use of the drugs.

    Toxic dose of chloroquine

    Aralen Chloroquine Uses, Dosage, Side Effects., Chloroquine in Cancer Therapy A Double-Edged Sword of Autophagy.

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  5. Disease Entity. Hydroxychloroquine Plaquenil and chloroquine cause ocular toxicity to various parts of the eye such as the cornea, ciliary body, and retina. Chloroquine can also induce cataract formation; however, no reports of hydroxychloroquine and cataract have been reported.

    • Hydroxychloroquine toxicity - EyeWiki.
    • Review of side effects and toxicity of chloroquine / by H. Weniger.
    • Chloroquine retinopathy - Wikipedia.

    Doses ≥ 5 mg/kg/day real weight of hydroxychloroquine 2.3 mg/kg/day of chloroquine are associated with higher risk of toxicity. Doses lower than 5 mg/kg/day have low risk 1% for the first 5 years, and below 2% between 5-10 years of use. The longer you use the medication, the higher the risk of toxicity. Usual Adult Dose for Malaria Prophylaxis. 500 mg chloroquine phosphate 300 mg base orally on the same day each week Comments-If possible, suppressive therapy should start 2 weeks prior to exposure; if unable to start 2 weeks before exposure, an initial loading dose of 1 g chloroquine phosphate 600 mg base may be taken orally in 2 divided doses, 6 hours apart. Chloroquine is a 9-aminoquinoline known since 1934. Apart from its well-known antimalarial effects, the drug has interesting biochemical properties that might be applied against some viral infections. Chloroquine exerts direct antiviral effects, inhibiting pH-dependent steps of the replication of several viruses including members of the flaviviruses, retroviruses, and coronaviruses. Its best.

     
  6. Lucky777 User

    This article focuses upon hydroxychloroquine retinopathy. Chloroquine was originally used as an anti-malarial therapeutic. Hydroxychloroquine toxicity - EyeWiki The 2016 American Academy of Ophthalmology Hydroxychloroquine. AMERICAN COLLEGE OF RHEUMATOLOGY
     
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  8. Rain0 XenForo Moderator

    The Risk of Retinal Toxicity with Plaquenil Aug 29, 2014 One of the reasons that physicians feel comfortable in prescribing Plaquenil is its low risk to benefit ratio. This means that the side effects of Plaquenil are mild and infrequent compared with its potential benefits. As with any medication, allergic reactions including skin rashes and non-allergic reactions can occur.

    How to Succeed in Plaquenil Screenings