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WebMD Symptom Checker

Diarrhea, Fever, Headache and Stiff neck

WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms diarrhea, fever, headache and stiff neck including Gastroenteritis, Medication reaction or side-effect, and Acute sinusitis.

There are 145 conditions associated with diarrhea, fever, headache and stiff neck. The links below will provide you with more detailed information on these medical conditions from the WebMD Symptom Checker and help provide a better understanding of causes and treatment of these related conditions.