Which of the following statements about antimalarial medications is INCORRECT?

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Primaquine can trigger hemolysis in individuals with G6PD deficiency.Halofantrine is known to extend the QT interval and may induce arrhythmias.Mefloquine is considered safe for use by airline pilots.Primaquine is effective in eradicating P. vivax and P. ovale parasites.

Explanation

Primaquine can cause hemolysis in patients who have G6PD deficiency, and halofantrine is associated with QT interval prolongation leading to arrhythmias. Primaquine effectively clears P. vivax and P. ovale infections. However, mefloquine is generally not recommended for air pilots due to its potential neuropsychiatric side effects.