Hi welcome to Health care magic forum.
Thanks for calling to H.C.M.Forum.
You are 15, and getting pain abdomen, since 5 years, it is not constant. some times food related, You had severe pain
one month back after your mothers death. You are better after vomiting
. You are always hungry and always feel like going to toilet.
It appears that you have got worms in the intestine. It may be lactose intolarence, or glutin containing foods.
There is also a possibility of urinary tract infection
, or stones in the urinary tract
, or tuberculosis
of the iliocaecal junction.
The present pain have exagerated by your mothers demise.
I advise you to consult a surgeon for diagnosis and treatment.