Talk to Gastroenterologist on Severe Gastric Issue

Am suffering from severe gastric issue... and I even dont come to know that whats the actual problem... I also bear severe abdominal pain sometimes...and pain in the instestine ! and digestive tract. whenever I eat something... bht e ajeeb smell ati from throat or khaty waqt b smell or smell krty wqt b ajeeb si smell ati i think its the mucus...2 doctors ki recommendation k acc. medicines b li phhir k frq nai pra koi or sbsy zyada onion or garlic ki smell irritate krti...itni sever hoti k bear b nai hoti!