Chloroquine resistance

Discussion in 'Canadian Ed Drugstore' started by Filin, 21-Feb-2020.

  1. vxm9 Guest

    Chloroquine resistance


    Regardless of the problem, we'd like to help you find what you're looking for. Chloroquine has long been used in the treatment or prevention of malaria from Plasmodium vivax, P. malariae, excluding the malaria parasite Plasmodium falciparum, for it started to develop widespread resistance to it.

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    Chloroquine is a 4-aminoquinoline with antimalarial, anti-inflammatory, and potential chemosensitization and radiosensitization activities. Although the mechanism is not well understood, chloroquine is shown to inhibit the parasitic enzyme heme polymerase that converts the toxic heme into non-toxic hemazoin, thereby resulting in the accumulation of toxic heme within the parasite. Resistance to chloroquine of malaria strains is known to be associated with a parasite protein named PfCRT, the mutated form of which is able to reduce chloroquine accumulation in the digestive vacuole of the pathogen. Whether the protein mediates extrusion of the drug acting as a channel or as a carrier and which is the protonation state of its chloroquine substrate is the subject of a. The clinical usefulness of chloroquine, and in some recent cases of quinine as well, has been much reduced by the evolution and spread of chloroquine resistant malaria parasites. The mechanism of resistance involves a reduced accumulation of the drug, although again the mechanism involved is controversial.

    It is recommended to check if chloroquine is still effective in the region prior to using it. Chloroquine has been extensively used in mass drug administrations, which may have contributed to the emergence and spread of resistance.

    Chloroquine resistance

    Chloroquine Resistance in Malaria - ResearchGate, On the Mechanism of Chloroquine Resistance in Plasmodium.

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  5. Chloroquine works best when you take it on a regular schedule. For example, if you are taking it once a week to prevent malaria, it is best to take it on the same day of each week. Make sure that you do not miss any doses. If you have any questions about this, check with your doctor.

    • Chloroquine Oral Route Proper Use - Mayo Clinic.
    • Chloroquine mechanism of drug action and resistance in..
    • What Is Chloroquine Resistance? with picture.

    Chloroquine resistance is widespread. Chloroquine should not be used for treatment of P. falciparum infections from areas of chloroquine resistance or malaria occurring in patients where chloroquine prophylaxis has failed. Patients infected with a resistant strains of plasmodia should be treated with another antimalarial drug. Plasmodium falciparum malaria in Haiti is considered chloroquine susceptible, although resistance transporter alleles associated with chloroquine resistance were recently detected. Chloroquine is the generic form of the brand-name prescription medicine Aralen, which is used to prevent and treat malaria — a mosquito-borne disease caused by a parasite — and to treat.

     
  6. MrDevil New Member

    Hydroxychloroquine is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Traditional DMARDs Methotrexate, Leflunomide, Sulfasalazine. Hydroxychloroquine Oral Uses, Side Effects, Interactions. Drug Interactions With Hydroxychloroquine
     
  7. gunwitch Guest

    Plaquenil hydroxychloroquine Alternatives & Similar Drugs. Substitutes and alternatives to Plaquenil hydroxychloroquine for uses like Rheumatoid arthritis, Lupus and Malaria Plaquenil hydroxychloroquine Alternatives & Similar Drugs - Skip to full site navigation

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