question: Hi, may I answer your health queries right now ?  Please type your query here... dear doctor my diet is normal but for past 4 years i have been having severe stomach pains- it is a stabbing pain. the pain usally starts at night and it will go on for good 6 hours approximatley. i cannot sleep noramally- i have to curl myself to reduce the pain. i vomit during that pain . yesterday was worse i tried some painkillers but the pain was still there. the pain is just on one spot of my stomach ......