Malaria Flashcards
What is the main vector for malaria?
Anopheles mosquito
What is the most common and aggressive form of malaria?
Plasmodium falciparum
What is the most common non-falciparum type?
Plasmodium vivax
What are the main symptoms of Malaria?
- Anaemia
- Splenomegaly
- Hepatomegaly and Jaundice
What are more general symptoms of malaria?
- Fever
- chills
- Night sweats
- Headache
- Malaise and Myalgia
How is malaria diagnosed?
3 samples over 3 consecutive days
What is the management of malaria?
Riamet
Malarone
Quinine
How long would you give riamet and malarone for?
3 days
How long would you give quinine for?
7 days
What would you give if the malaria was severe?
IV quinine
What is the management for non-falciparum?
Chloroquine
What is the prophylaxis for malaria?
Malarone
Mefloquine
Doxycycline
How long do you give malarone for as prophylaxis?
Start 1-2 days before and continue 1 week after
What are the complications of malaria?
Cerebral malaria
AKI
Pulmonary oedema
DIC
Severe haemolytic anaemia
Multi-organ failure and death
How long do you give doxycycline for as prophylaxis?
start 1-2 days before and continue 4 weeks after
When would doxycycline be contraindicated?
In pregnancy
What is usually a common factor in a malaria history?
Have visited a foreign country
What countries have a high prevalence of malaria?
South America
Sub-Saharan Africa
How is malaria diagnosed?
Malaria blood film- sent in an EDTA bottle
How can mefloquine be taken for prophylaxis of malaria?
Taken once weekly 2 weeks before, during and 4 weeks after being in endemic area
Can cause bad dreams, potentially psychotic disorder or seizures
How can doxycycline be taken for prophylaxis?
Taken daily 2 days before, during and 4 weeks after being in endemic area
Can increase sensitivity to sun- sunburn
What are the possible presenting features of cerebral malaria?
Seizures
Coma
What are the oral options for the management of malaria?
Riamet
Malarone
Quinine sulphate
Doxycycline
What are the IV options for malaria?
Artesunate
Quinine dihydrochloride
What is the problem with artesunate?
It is the most effective treatment but is not licensed