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What causes flatulence, headache and loss of appetite? 2 possible conditions

See a list of possible causes in order from the most common to the least.



Giardiasis is a parasitic infection of the small intestine. It may cause fatigue, stomach pain, bloating, and excessive gas.

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PMS (Premenstrual Syndrome)

PMS symptoms start five to 11 days before menstruation and typically go away once menstruation begins. The cause of PMS is unknown.

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Please consult a healthcare professional if you have health concerns.