I am on my period and i am having server pains on the first day i felt a bit of swelling by my lower abdomen and since then iv just been really bloated when i do eat i feel the need for the food to come up or go down and it can't?

Long list of D/Dx: Gastritis often caused by bacterial infection, certain medications, or autoimmune disorders. Symptoms include pain in the center of the abdomen, nausea, vomiting, and bloating. Severe cases can cause stomach bleeding and can be treated with medication.To determine when to see your doctor, ask yourself the following question. Loosing Weight, Bleeding, dark stools, ass. fever.Should see your PCP/