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WebMD Symptom Checker

Headache, Stiff neck and Upset stomach

WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms headache, stiff neck and upset stomach including Indigestion, Tension headache, and Gastritis.

There are 79 conditions associated with headache, stiff neck and upset stomach. 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.