Hydroxychloroquine overdose toxicokinetics and management

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  1. l00l New Member

    Hydroxychloroquine overdose toxicokinetics and management


    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.

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    Hydroxychloroquine – which has a similar toxicity profile – has largely superseded it for the treatment of rheumatoid arthritis. In overdose both chloroquine and hydroxychloroquine cause sodium channel blockade with primarily cardiovascular and central nervous system effects, as well as hypokalemia due to intracellular potassium shifts. Abstract Hydroxychloroquine poisoning has rarely been reported in the literature, with only 18 cases being found on searching the literature. In this paper, we report a case that occurred in Hong Kong, and we make recommendations for emergency management of hydroxychloroquine overdose based on our and other's experience. Find patient medical information for Hydroxychloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.

    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.

    Hydroxychloroquine overdose toxicokinetics and management

    Massive hydroxychloroquine overdose Request PDF, Hydroxychloroquine overdose case report and recommendations.

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  7. Toxicokinetics Both chloroquine and hydroxychloroquine have excellent oral absorption and bioavailability. Both have a long and variable plasma elimination half-life because of a high volume of distribution, an extended mean residence time HCQ 1300 hours and CQ 900 hours and with about half the drug metabolites undergoing unmodified renal clearance.

    • Chloroquine And Hydroxychloroquine Toxicity - Abstract..
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    Sep 13, 2019 Symptoms of overdose. Drowsiness; dry mouth; increased thirst; loss of appetite; mood changes; no pulse or blood pressure; numbness or tingling in the hands, feet, or lips; unconsciousness; Some side effects of hydroxychloroquine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Hydroxychloroquine overdose is infrequently reported and the majority of recommendations come from the greater experience with chloroquine poisoning. We report two cases of massive hydroxychloroquine poisoning 20 g in each case, both of which received advanced cardiac life support and a treatment regimen consisting of sodium bicarbonate, adrenaline and potassium. Mechanism of Toxicity. The mechanism of hydroxychloroquine retinal toxicity has yet to be fully elucidated. Studies have shown that the drug affects the metabolism of retinal cells and also binds to melanin in the RPE, which could explain the persistent toxicity after discontinuation of the medication.

     
  8. xaos XenForo Moderator

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  9. mik81 XenForo Moderator

    Chloroquine Phosphate - WebMD Chloroquine Phosphate. Chloroquine is used to prevent or treat malaria caused by mosquito bites in countries where malaria is common. Malaria parasites can enter the body through these mosquito bites, and then live in body tissues such as red blood cells or the liver.

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  10. Zlyden New Member

    Hydroxychloroquine Reviews Everyday Health Hydroxychloroquine received an overall rating of 7 out of 10 stars from 368 reviews. See what others have said about Hydroxychloroquine, including the effectiveness, ease of use and side effects.

    Plaquenil-Hydroxychloroquine sulfate 200mg Film-coated.