What are the symptoms of typhoid fever? What does typhoid fever cause?
Typhoid fever symptoms may be mild to severe and include gradual onset of sustained fever, headache, nausea, loss of appetite, constipation or sometimes diarrhea, and rose-colored spots on the trunk. Symptoms generally appear one to three weeks after exposure. Relapses are possible. Complications include inflammation of the membrane that lines the wall of the abdomen and the abdominal organs (peritonitis), bleeding and perforation of the intestines, and kidney failure.