What are the signs and symptoms of malaria?

Updated: Apr 26, 2019
  • Author: Thomas E Herchline, MD; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

Patients with malaria typically become symptomatic a few weeks after infection, though the symptomatology and incubation period may vary, depending on host factors and the causative species. Clinical symptoms include the following:

  • Headache (noted in virtually all patients with malaria)

  • Cough

  • Fatigue

  • Malaise

  • Shaking chills

  • Arthralgia

  • Myalgia

  • Paroxysm of fever, shaking chills, and sweats (every 48 or 72 hours, depending on species)

Less common symptoms include the following:

  • Anorexia and lethargy

  • Nausea and vomiting

  • Diarrhea

  • Jaundice


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