Symptoms: The symptoms of malaria can occur between a week and month after exposure to the parasites which cause malaria. The general attack of malaria usually continues 6-10 hours. There are three stages and these symptoms return approximately every 2 days. The cold stage (shivering, feeling cold for 1-2 hours) The hot stage (vomiting, headache and fever up to 107°F for 3-4 hours) The sweating stage or wet stage (sweating for 2-4 hours and sleepiness If u want more info ask me. No prob. Pls mark it as a best answer f it helps u