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Case Study 2, Question 2: Correct Answer

Chloroquine: This is the drug of choice for the treatment of Plasmodium malariae. P. malariae is chloroquine-sensitive, and additionally chloroquine is one of the safest antimalarial drugs available.

Doxycycline is contraindicated in young children, and halofantrine can have cardiotoxic effects.

Primaquine is not necessary because there are no dormant liver stages in this parasite species. At the usual doses, primaquine would have no effect on the blood stage parasites (it targets mainly the liver stage parasites, and the gametocytes).

Even in congenital malaria caused by P. vivax and P. ovale (which have liver stage parasites) primaquine treatment of the infant is not necessary because no liver stages are transmitted from the mother to the child.

 

Page last modified : April 23, 2004
Content source: Division of Parasitic Diseases
National Center for Zoonotic, Vector-Borne, and Enteric Diseases (ZVED)

 

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