Am Bloated After Eating At 8 PM, Had Diarreah Saturday

Am bloated after eating at 8 PM, Had diarreah Saturday night. Felt fine Sunday, ate light foods. Today ate regular meals. After eating a salad with olive oil at 7:39 to 8 ..I've been bloated. Tried to vomit, but can't yet. Had a small amt of diarreah at l5 of 12 midnight. its 12:l5 now. I can spit up flim, mucus just a little. Gut uncomfortable. Want to go back to bed Gut feels full & bloated. help?