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WebMD Symptom Checker

Decreased appetite, Fatigue, Headache and Muscle weakness

WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms decreased appetite, fatigue, headache and muscle weakness including Lack of exercise, Hypocalcemia, and Mononucleosis.

There are 138 conditions associated with decreased appetite, fatigue, headache and muscle weakness. 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.