Malaria Flashcards
(34 cards)
What are the 2 main types of malaria
Plasmodium falciparum - most deadly and common
Non-plasmodium falciparum
• p.vivax
• p.ovale
• p.malariae
• p.knowlesi
What insect is I spread by
Female Anopheles mosquitos
Which types can remain dormant for months/years before activating
P.vivax and P.ovale
Features
Fever >39
Sweats
Chills
Myalgia
Diarrhoea, anoxrexia, dehydration
Fever spikes every few days
What is used to diagnose
Microscopy of thick or thin blood films
How many?
3
If first is negative do two more, each 24 hours apart
Who should be notified with a confirmed case of malaria
Public health England
What is the management of severe/complicated p.falciparum malaria
IV Artesunate - for 24 hours
THEN
a full course of ACT (artemether + lumefantrine)
What is the management of uncomplicated p.falciparum malaria
1st line : ACT (artemether with lumefantrine)
2nd
• quinine or atovaquone/progunail (malaron)
Quinine should be given with doxycycline or clindamycin, which one should be avoid in pregnancy and children
Quinine + doxycycline (avoid)
Quinine + clindamycon - yes in children and pregnancy
What is the management of uncomplicated p.falciparum malaria in PREGNANCY
2nd - 3rd trimester - ACT
any trimester - Quinine (+clindamcyin)
What can quinine cause/adr
Uterine contractions
Hypoglycemia
Which drugs are p. .falciparum resistant to and doesn’t me used in its treatment
Chloroquine
Mefloquine
What is management for non-falciparum malaria
ALT or Chloroquine
If chloroquine is chosen it is effective for p.malariae or p.knowlesi on its own
BUT
clororquine + primaquine (radical cure) - for p.ovale or p.vivax
What does primaquine do
Eradicate hyponozoties (dormant parasites in the liver) - this prevents relapse
Screening for GP6D is required before starting which drug and it can cause G6PD deficiency
Primaquine
What is the management for complicated/severe non-falciparum malaria
IV artesunate
Management of non-falciparum malaria in pregnancy
Same as normal BUT if p.ovale or p.vivax, wait after undelivery or completion of breast feeding
If the specifies is unknow, and if the infection is mixed and includes falciparum. How should this be managed
Same as for falciparum
Which drugs are used in prophylaxis
Chloroquine
Mefloquine
Doxycycline
Malarone
Malarone - how to take
1-2 days before travel
Continue 1 week after return
Doxycycline
Start 1-2 days before travel
Continue 4 weeks after travel
Chloroquine
Start 1 week before travel
Continue 4 weeks after
Mefloquine
Start 2-3 weeks before
Continue 4 weeks after travel