Chloroquine & Hydroxychloroquine for Malaria Prevention
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Questions and Answers

What is the recommended timing for starting prophylaxis with chloroquine or hydroxychloroquine before traveling to malaria-endemic areas?

  • 3-4 weeks before travel
  • 1-2 days before travel
  • 1-2 weeks before travel (correct)
  • 5-6 weeks before travel

    • How often should travelers take chloroquine or hydroxychloroquine during travel in malaria-endemic areas?

  • Twice a day
  • Once every week (correct)
  • Once every 2 weeks
  • Once every 3 weeks

    • What is a reported side effect of chloroquine and hydroxychloroquine?

  • Blurred vision (correct)
  • Muscle spasms
  • Joint pain
  • Nausea

    • What have high doses of chloroquine been associated with?

    <p>Retinopathy</p> Signup and view all the answers

    Which serious side effect is considered extremely unlikely when using chloroquine for weekly malaria prophylaxis?

    <p>Retinopathy</p> Signup and view all the answers

    In what situation might people better tolerate taking chloroquine?

    <p>With fatty meals</p> Signup and view all the answers

    What condition can chloroquine and related compounds reportedly exacerbate?

    <p>Psoriasis</p> Signup and view all the answers

    What is the alternative compound that a traveler experiencing side effects might better tolerate?

    <p>Hydroxychloroquine sulfate</p> Signup and view all the answers

    What are the reported side effects of chloroquine and hydroxychloroquine?

    <p>Blurred vision and dizziness</p> Signup and view all the answers

    What is the recommended timing for starting doxycycline prophylaxis before travel to malaria-endemic areas?

    <p>1-2 days before travel</p> Signup and view all the answers

    How often should doxycycline be taken during travel in malaria-endemic areas?

    <p>Once a day</p> Signup and view all the answers

    What gastrointestinal side effects are associated with doxycycline use?

    <p>Nausea and vomiting</p> Signup and view all the answers

    How can the risk of photosensitivity caused by doxycycline be minimized?

    <p>Avoiding prolonged, direct exposure to the sun and using sunscreen</p> Signup and view all the answers

    Who should not take doxycycline for malaria prophylaxis?

    <p>All of the above</p> Signup and view all the answers

    What should people on a long-term regimen of minocycline do if they need malaria prophylaxis?

    <p>Stop taking minocycline 1-2 days before travel and start doxycycline instead</p> Signup and view all the answers

    What is the association between doxycycline use and vaginal yeast infections?

    <p>Increased frequency of vaginal yeast infections</p> Signup and view all the answers

    How can the risk for esophagitis caused by doxycycline be reduced?

    <p>Advising travelers to swallow the medicine with sufficient fluids and to avoid taking doxycycline shortly before going to bed</p> Signup and view all the answers

    What is the recommended action for travelers who are on a long-term regimen of minocycline and need malaria prophylaxis after completing the full course of doxycycline?

    <p>Minocycline can be restarted after the full course of doxycycline is completed</p> Signup and view all the answers

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