You had better to see a doctor ,make certain what is the matter,
If you have stomach pain
,maybe is ecphyaditis . The diseases of Stomach
-ache, acidstomach, stomach-bulge etc are approaching to everybody. It is relate to the eating habit and the circumstance of the workplace. Generally speaking ,ecphyaditis is in the right side, Some symptom are nausea, vomiting ,constipation dizziness, headache, weakness ,serious illness will appear fever and other symptoms.