Shared Flashcard Set

Details

Parasitology drugs
n/a
19
Pharmacology
Professional
01/20/2014

Additional Pharmacology Flashcards

 


 

Cards

Term
Which antimalarials inhibit heme polymerase, increasing free heme, which is toxic to the parasite?
Definition
All of the ones that end in "quine" -- Chloroquine, Quinine/Quinidine, Mefloquine, Primaquine
Term
Which antimalarial inhibits plasmodial DHFR?
Definition
Proguanil
Term
Where is chloroquine-susceptible P falciparum found?
Definition
Central America, Caribbean, Middle East
Term
What drug is given for prophylaxis in areas of chloroquine-resistant P falciparum (most regions)?
Definition
Mefloquine
Term
Which anti-plasmodium drugs are RBC schizonticides ?
Definition
"CAMP PAQ"
Chloroquine*
Atovaquone*
Mefloquine*
Proguanil (also sporonticide)
Pyrimethamine (also tissue schizonticide)
Artemisinins (gametocide)
Quinine*
Term
Which anti-plasmodium drugs are tissue schizonticides?
Definition
Primaquine
Pyrimethamine
Term
Which anti-plasmodium drugs are gametocides?
Definition
Primaquine
Artemisinins
(Quinine also inhibits the gametocytes of P vivax and ovale)
Term
Which anti-plasmodium drugs are sporonticides?
Definition
Pyrimethamine
Proguanil
Term
What is the DOC for treatment of severe disease with chloroquine-resistant P falciparum malaria? What drug should be given with this drug?
Definition
Quinine (only oral in US) or Quinidine (Iv in USA - requires cardiac monitoring)
Give with doxycycline to shorten duration and toxicity
Term
What is the major SE of quinine/quinidine use?
Definition
Cinchonism -- headache, nausea, visual disturbances, dizziness, tinnitus
Term
What is the major SE of chloroquine?
Definition
pruritis
Term
SE of mefloquine?
Definition
neuropsychiatric toxicities (seizures, psychosis)
also - nausea, vomiting, sleep & behavioral problems
Term
What is the DOC for severe malaria? Where is resistance found to this drug?
Definition
Quinine/Quinidine
resistance found in
Term
Which anti-malarial drug requires cardiac monitoring?
Definition
Quinine/Quinidine
Term
What drug is used to treat infections with P vivax and P ovale?
Definition
Primaquine
Term
What anti-malarial is contraindicated in pts with G6PD deficiency?
Definition
Primaquine
Term
What drug is used to treat malaria in pregnant woman?
Definition
Quinine
Term
What anti-malarial drug was used in China >2000 years and is now used again for treatment of malarial infections in Asia and Africa (approval not yet granted in US)? What form of this drug is available in the US?
Definition
Artemisinin (Quinghausu)
Coartem (artemether/lumefantrine) is approved by US FDA for treatment of uncomplicated falciparum malaria
Term
What is the MOA of Artemisinin?
Definition
produces toxic free radicals in food vacuole of parasite
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