Pain for three or four days now, not sure what to do

[uk23]

I've had pain, tenderness, lack of appetite and, what feels like, swelling in my upper and mid abdomen now for a few days. I've tried things to help but nothing seems to really do anything.

Not sure if this is just IBS really playing up or something more serious :(

I'm going to give the GP a call in 15 minutes when they open and make an appointment to see what they say. Not really sure what else to do.

[uk23]

Just seen the GP and they did a physical exam and said nothing seems out of the ordinary so put it down to IBS.

How can this be IBS?