Headache,vomiting,stomach cramps,intense upper back pain by spine only after i vomited all started with a cold?

i started to feel nauseous and had a headache so i ate a salad, right after i felt bloated and for about a half hour i felt like i needed to throw up, i did and drank some ginger ale shortly after i threw that up. the next day i was sitting watching a movie and had this sudden sharp upper pain near my spine. never had anything like this i do have a cold that is getting better but i still cough and have mucus