is by far the most dangerous of the forms of malaria. In most areas it is also the most common form.
Risk factors that increase your chance of malaria include:
Living in or traveling to hot, humid climates where
mosquitoes are prevalent
Failing to use DEET-containing insect repellents when outdoors
Failing to use mosquito netting (especially netting treated with permethrin) while sleeping
Failing to use medications to prevent malaria infection
Geography: Africa, Asia, and Latin America:
Malaria occur regularly among tourists who fail to follow recommended precautions
The majority of fatal cases of malaria seem to be acquired by tourists visiting game parks and other rural areas in east Africa
Once inside the bloodstream, parasites travel to the liver. There they and multiply (hepatic phase). During this phase, the infected person has no symptoms.
After several days, the parasites' offspring are released into the bloodstream. There they infect red blood cells. Within 48 hours, the infected red blood cells burst. The parasites infect more red blood cells. This process leads to:
Without treatment, the cycle of red blood cell destruction and fever will continue. This can lead to death.
Symptoms usually begin within 10 days to four weeks after being bitten by an infected mosquito.
may not produce symptoms for a year or more.
infections tend to cause more severe symptoms. They are associated with higher death rates.
The doctor will ask about your symptoms, medical history. The doctor will also ask about your travel history. A physical exam will be done. You will have:
Blood tests—to analyze your blood for parasites
Prescription drugs are used to treat malaria. They kill the parasites. Choice of antimalarial agent depends on:
The type of parasite
Severity and stage of infection
The following medications are used alone or in combination:
—in many parts of the world, P. falciparum is resistant to this drug
Please be aware that this information is provided to supplement the care
provided by your physician. It is neither intended nor implied to be a
substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER
IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the
advice of your physician or other qualified health provider prior to
starting any new treatment or with any questions you may have regarding a