Hi, I Am Currently Experiencing The Following Symptoms In This

Hi, I am currently experiencing the following symptoms in this order: Cramps, discomfort, burning sensation, and then vomiting. Currently I am vomiting and I am extremely uncomfortable due to a burning sensation in my stomach and esophagus. Whatever take in, which for the most part has been water, I vomit out, however it is extremely uncomfortable due to the burning sensation.