Today i ate a McDonalds chicken burger as had slight stomach pains and thought it was hunger.also i have been told i need to gain weight as my bmi is 16 when it should be about 25 for my height.but now 3 hours later i still feel soooo overly full and my tummy has slight discomforting pains...I have taken 2 anti-emetic tablets (the right dose for my tablets) about an hour ago if not more and its supposed to help with bloating feeling and nausea but its not helping me.I dont no waht it is and what the discomfort is...bsolutly petrified its a bug....please someone help me.