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Actually, that's kind of too much. That's why it good to always see a doctor. Some persons even with the slightest headache that might be due to stress will take antimalarial. If you treat malaria last month then you shouldn't commence another course of antimalarial without a test. If malaria is resistant oral medication will most likely not be effective, then there will be need for admission and intravenous medication.

Awesome. Thank you very much for your answers. You really cleared the air.

As for the side effects, it's usually written on the pamphlet, they can occur but are rare.