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Primaquine Phosphate

Chemical Structure / Formula

  • Formula: C15H21N3O · H3PO4

  • Structure: 8-Aminoquinoline derivative.

Primaquine Phosphate

Mechanism of Action

Disrupts mitochondrial electron transport and generates reactive oxygen species (ROS), killing liver-stage (hypnozoites) and gametocytes of Plasmodium.

Uses

  • Radical cure of P. vivax and P. ovale malaria (eradicates hypnozoites).

  • Prevents transmission (gametocidal effect).

Side Effects

  • Hemolysis in G6PD deficiency.

  • Methemoglobinemia, GI distress.


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