Areas with chloroquine or mefloquine resistance

Discussion in 'Chloroquine Drug' started by guenrygerdown, 11-Mar-2020.

  1. Deodato XenForo Moderator

    Areas with chloroquine or mefloquine resistance


    Please review the following URL and make sure that it is spelled correctly. This is long, feel free to skip to the end for a tldr.edit: Likewise feel free to skip to symptoms and diagnosis unless you want to read a sleep-deprived dissertation about malaria and mefloquine drug history. If you last looked at malaria a decade or longer ago, you wouldn’t know about knowlesi, he’s ‘new’. malariae guy under the microscope (PCR can tell them apart - it’s a somewhat expensive lab test), but he’s more serious and hangs out exclusively in Southeast Asia. America also has resistance)2011 - AFRICOM issued a policy change for deployments to (sub-Saharan) Africa, barring mefloquine from use, unless malarone and doxycycline cannot be taken or tolerated.

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    Southeast Asia is the epicentre of P falciparum resistance to antimalarial drugs. Chloroquine resistance emerged there more than 40 years ago, and within 20 years chloroquine became largely ineffective. Chloroquine is now reserved for P vivax, P malariae, or P ovale in this region. In Thailand, mefloquine was introduced as first-line treatment for falciparum malaria in November, 1984, but despite careful regulation of its use, significant resistance developed within 6 years. Malaria is chloroquine resistant • In areas of chloroquine resistance but no mefloquine resistance use –Mefloquine or –Doxycycline or –Malarone® afford. •This order implies no hierarchy of choice. •Which is chosen will depend on –pre-existing conditions –concomitant medications –personal preference –what the traveller can Southeast Asia is the epicentre of P falciparum resistance to antimalarial drugs. Chloroquine resistance emerged there more than 40 years ago, and within 20 years chloroquine became largely ineffective. Chloroquine is now reserved for P vivax, P malariae, or P ovale in this region. In Thailand, mefloquine was introduced as first-line treatment.

    (and this can and does change every year, depending on the geographical area. The understanding is now that adverse effects can occur/recur years after last dose. It’s the ‘blood cell’ stage, it doesn’t kill the “sleeper cells” (that are part of the P. After swallowing the pill the peak concentration in the plasma is between 6 - 24 hours later. First of all – you may be interested whether this concerns YOU. If you don’t know whether you received mefloquine (or brand name: Lariam) – it’s a pretty unique drug in that it’s a once a week tablet, and you must have deployed to where (at the time) malaria was deemed a threat. CENTCOM followed later for deployments outside Africa.2013 – FDA adds Black Box warning on mefloquine. It’s an advisory that an approved drug has very serious, and/or potentially life-threatening risks, or potentially permanent adverse effects. There has to be serious evidence to the adverse effect(s), and it is the strongest warning the FDA issues.2013 to today – research continues on the central nervous system effects of mefloquine.

    Areas with chloroquine or mefloquine resistance

    Drug Resistance in the Malaria-Endemic World - CDC, TRAVEL MEDICINE PHARMAC 2016 PREVENTING MALARIA IN TRAVELLERS

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  7. Chloroquine is a medication used to prevent and to treat malaria in areas where malaria is known to be sensitive to its effects. Certain types of malaria, resistant strains, and complicated cases typically require different or additional medication.

    • Chloroquine - Wikipedia.
    • Mefloquine resistance in Plasmodium falciparum. - PubMed Central PMC.
    • CDC - Malaria - Travelers - Malaria Information and Prophylaxis, by Country.

    P. falciparum resistant ton chloroquine and Pyrimethamine/Sulfa; Mefloquine resistance reported in the eastern part ofn Shan State Atovaquone/proguanil, doxycycline, mefloquine not in eastern part of Shan State Cambodia All areas including Angkor Wat temple complex; no risk in Phnom Penh and around Lake Tonle Sap Travel to Areas with Chloroquine-Resistant Malaria. For destinations where chloroquine-resistant malaria is present, in addition to mosquito avoidance measures, chemoprophylaxis options are limited to atovaquone/proguanil, doxycycline, and mefloquine. Travel to Areas with Mefloquine-Resistant Malaria Mefloquine is effective against malaria parasites resistant to chloroquine see INDICATIONS AND USAGE. Drug Resistance Strains of P. falciparum with decreased susceptibility to Mefloquine can be selected in vitro or in vivo. Resistance of P. falciparum to Mefloquine has been reported in areas of multi-drug resistance in South East Asia.

     
  8. Mic2001 Guest

    ive put on 45 lbs since starting this medication back in October it is January now so that’s 10lbs a month. Plaquenil - does it take long time to work? - Lupus - Inspire Plaquenil DailyStrength Systemic Lupus Erythematous SLE Drugs Market- Global Industry.
     
  9. Samber Moderator

    Suppression: 400 mg (310 mg base) orally on the same day every week Comments: -Suppressive therapy should begin 2 weeks prior to exposure; however, failing this, an initial dose of 800 mg (620 mg base) may be taken in 2 divided doses (6 hours apart). Hydroxychloroquine Oral Tablet 200Mg Drug Medication Dosage. Hydroxychloroquine Oral Uses, Side Effects, Interactions. Hydroxychloroquine 200 mg tablet Kaiser Permanente
     
  10. jackal Guest

    Plaquenil Hydroxychloroquine - Side Effects, Dosage. Plaquenil is the brand name for the prescription drug hydroxychloroquine. It's used to treat and prevent malaria infection, and to reduce symptoms and progression of autoimmune diseases such as lupus, rheumatoid arthritis, and others. Malaria is spread by mosquitoes.

    Side effects of Plaquenil Other Drugs discussions.
     
  11. Ksunya Guest

    Hydroxychloroquine Plaquenil - If you are taking hydroxychloroquine over a long duration, it is important to take eye exams every 6 to 12 months. 6 Do not take hydroxychloroquine if you experience vision symptoms, including problems seeing or reading, light sensitivity, blurred distance vision, or light flashes or streaks. 5

    Hydroxychloroquine - Wikipedia