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Details

Nerland Anti-Malaria
Anti Malaria Drugs
18
Pharmacology
Graduate
12/11/2011

Additional Pharmacology Flashcards

 


 

Cards

Term

Which two plasmodiums remain dormant in liver as hypnozoites?

How does this change treatment after exposure?

 

Definition

P. vivax and P. ovale

 

Give Primaquin for these only. 

(Treat hypnozoites)

Term
Exoerythrocytic
Definition
Stage of sporozoites in liver after division. A hepatic schizont that contains many merozoites and is ready to go to erythrocytes for real damage and rupture.
Term
Sporozoites replicate in which part of the liver?
Definition
Parenchymal cells
Term
Sequelae of malaria are seen after
Definition
Rupture of RBC and release of merozoites from schizont
Term
Are merozoites sexual or asexual
Definition

Both

Sexual become gametocytes which are reingested by mosquito after erythrocytic stage.

Asexual recycle in erythrocytic stage

Term
Which plasmodium causes the most severe form of malaria and is also the most frequently drug resistant?
Definition
P. falciparum
Term
Suppressive treatment of malaria is only effective against...
Definition
erythrocytic forms
Term
Drug of choice for malaria eradication and suppression
Definition
Chloroquine
Term
Side effects/Toxicities of Chloroquine
Definition

Reversible corneal damage and permanent retinal damage (bulls eye).

Visual disturbances, hyperexcitability, convulsions and heart block. 

Term
Drug of choice against Choloroquine-resistant plasmodium
Definition
Mefloquine of doxycycline
Term
Drug of choice against choloroquine and mefloquine resistant plasmodium
Definition
Sulfonamide and Pyrimethamine (folate reductase inhibitor)
Term
Which anti-malaria drug is contraindicated in patients with a history of epilepsy, psychiatric disorders, arrhythmias or cardiac conduction defect?
Definition
Mefloquine
Term

Which anti malaria drug is contraindicated in patients who are deficient in glucose-6-phosphate dehydrogenase or who have a history of granulocytopenia or methemoglobinemia?

Why?

Definition

Primaquine

Can cause hemolytic anemia in G6PD deficient.

Also should be avoided in those that have connective tissue disorders. 

Term
Side effect of Quinine
Definition
Cinchonism: tinnitus, headache, nausea, visual disturbances
Term
MOA for Pyrimethamine
Definition
Folic acid anatagonist similar to Trimethoprim
Term

MOA of Atovaquone

Treats:

Definition

Disrupts mitochondrial electric transport in plasmodium

Treats malaria and pneumocytis jiroveci

Term
MOA of Proguanil
Definition
Inactive until converted to cycloquanil which inhibits plasmodium dihydrofolate reductase
Term

Best Line of Treatment

Asymptomatic E. Hystolytica

Symptomatic E. Hystolytica

Hepatic abscess in E. Hystolytica

T. Vaginalis

P. Jiroveci

T. gondii

G. Lamblia

 

Definition

Iodoquinol (or diloxanide)

Metronidazole and Iodoquinol

Metronidazole and Iodoquinol

Metronidazole

TMP-SMX or Pentamidine

Pyrimethamine plus trisulfapyrimidines

Metronidazole

 

Pneumonic: For Metronidazole treatment of Protozoan infections:

GET it?

G iardia lamblia

E Entamoeba hystolytica

T richonomas vaginalis

 

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