Malaria
WHO describes malaria as a life-threatening disease spread by some mosquitoes. Symptoms can include fever, chills, headache, tiredness, nausea, vomiting, and diarrhoea.
Last reviewed May 17, 2026
In Nigeria, people often call fever “malaria and typhoid.” The safer approach is testing and clinical evaluation, because symptoms can overlap.
Typhoid fever and malaria are different illnesses with different causes and treatments. Fever, headache, weakness, stomach symptoms, and body pain can overlap, so self-diagnosis is risky.
WHO describes malaria as a life-threatening disease spread by some mosquitoes. Symptoms can include fever, chills, headache, tiredness, nausea, vomiting, and diarrhoea.
Typhoid fever is a bacterial infection usually linked to contaminated food or water. Symptoms can include fever, weakness, stomach pain, headache, diarrhoea or constipation.
Related: Malaria symptoms, Lassa fever vs malaria, Cholera prevention.
WHO malaria, CDC malaria symptoms, and CDC typhoid symptoms.