Infection - Malaria Flashcards
is malaria bite protection absolute?
not absolute
what is malaria bite protection?
- mosquito net impregnated permethrin
- diethyltoluamide (DEET) 20-50% (50% longer protection)
malaria bite protection and ingestion
avoid ingestion wash hands
when is malaria bite protection suitable?
- pregnancy + BF
- suitable for anyone over 2 months
malaria bite protection and SPF
which one to apply first and why
- apply SPF then DEET
- deet reduces SPF of sunscreen
malaria prophylaxis tx
- malarone + atorvaquone + proguanil
- chloroquine
- proguanil
- mefloquine
- doxycycline
if illness occurs within 1 year of tx what is it?
especially 3 month of return might still be malaria
before travel, dose, after travel and max use?
dose and duration of malarone + atorvaquone + proguanil
- before travel - 1-2DY
- dosage - 1OD
- after travel - 1WK
- max use - 1YR
before travel, dose, after travel and max use?
dose and duration of chloroquine
- before travel -1WK
- dosage - OW
- after travel -4WK
- max use -LONG TERM
before travel, dose, after travel and max use?
dose and duration of progunanil
- before travel -1WK
- dosage -1OD
- after travel -4WK
- max use -LONG TERM
before travel, dose, after travel and max use?
dose and duration of mefloquine
- before travel -2-3WK
- dosage -OW
- after travel -4WK
- max use -1YR
before travel, dose, after travel and max use?
dose and duration of doxycycline
- before travel -1-2DY
- dosage -1OD
- after travel -4WK
- max use -2YR
malaria pt groups
- asplenia
- pregnancy
malaria pt groups
asplenia and malaria
high risk of malaria
malaria pt groups
pregnancy and malaria
- avoid travelling to regions with malaria
- can give chloroquine + proguanil + 5mg folic acid (neural tube defect risk)
malaria medication groups
- epilespy
- warfarin
malaria medication groups
which malarial drugs to avioid in epilepsy
avoid chloroquine + mefoloquine
malaria medication groups
warfarin and malaria
- start tx 2-3wk before travel
–>INR stable before travel
–>INR measured before antimalarials, 7DY after starting + after completing
–>prolonged stay check INR regularly
antimalarial caution
mefloquine caution
- history of psychiatric disorders if develops STOP
- history convulsions
antimalarial caution
chloroquine caution
- history od convulsion
- can be retinotoxic
antimalarial caution
progunail caution
renal impairement - reduce dose
antimalarial caution
doxycycline caution
avoid exposure to sunlight
who should receive malaria standby tx
travellers visiting remote areas should carry emergency standby tx if they are likely to be more than 24hr from medical care
who shouldn’t receive malaria standby tx
self medication should be avoided in travellers if medical help is accesible