Headache may be a sign of meningitis, rickettsial diseases, hypertension, toxic shock syndrome, hypoglycemia, kidney disorder, hepatitis, anemia, typhoid fever, valley fever, encephalitis, brain tumor, heatstroke, arteritis or whiplash. To learn more about the cause of your symptoms, click on each of the diseases listed below.Rickettsial Diseases (Typhus, Ticks, Spotted Fever) |
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