Malaria history and symptoms: Difference between revisions
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
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Overview
Malaria parasites are transmitted by female Anopheles mosquitoes. The parasites multiply within red blood cells, causing symptoms that include symptoms of anemia (light headedness, shortness of breath, tachycardia etc.), as well as other general symptoms such as fever, chills, nausea, flu-like illness, and in severe cases, coma and death.
Symptoms
- Symptoms of malaria include fever, shivering, arthralgia (joint pain), vomiting, anemia caused by hemolysis, hemoglobinuria, and convulsions.
- There may be the feeling of tingling in the skin, particularly with malaria caused by P. falciparum.
- The classical symptom of malaria is cyclical occurrence of sudden coldness followed by rigor and then fever and sweating lasting four to six hours, occurring every two days in P. vivax and P. ovale infections, while every three for P. malariae.[1]
- P. falciparum can have recurrent fever every 36-48 hours or a less pronounced and almost continuous fever.
- For reasons that are poorly understood, but which may be related to high intracranial pressure, children with malaria frequently exhibit abnormal posturing, a sign indicating severe brain damage.[2]
- Malaria has been found to cause cognitive impairments, especially in children. It causes widespread anemia during a period of rapid brain development and also direct brain damage. This neurologic damage results from cerebral malaria to which children are more vulnerable.[3]
References
- ↑ Malaria life cycle & pathogenesis. Malaria in Armenia. Accessed October 31, 2006.
- ↑ Idro, R. "Decorticate, decerebrate and opisthotonic posturing and seizures in Kenyan children with cerebral malaria". Malaria Journal. 4 (57). PMID 16336645. Retrieved 2007-01-21. Unknown parameter
|coauthors=ignored (help) - ↑ Boivin, M.J., "Effects of early cerebral malaria on cognitive ability in Senegalese children," Journal of Developmental and Behavioral Pediatrics 23, no. 5 (October 2002): 353–64. Holding, P.A. and Snow, R.W., "Impact of Plasmodium falciparum malaria on performance and learning: review of the evidence," American Journal of Tropical Medicine and Hygiene 64, suppl. nos. 1–2 (January–February 2001): 68–75.