Extreme pain under center of abdomen under ribs. So severer it causes nausea, vomiting, dizziness and shortness of breath. And Severe sweats.?

Go to emergency. This sounds serious. I suggest that you go to the Emergency Department immediately for diagnosis and treatment.
Epigastric pain. Most likely gastritis and or H pylori ( a bacterial causing gastritis) or gallbladder orrarely if acute a pulmonary embolism especially if smoking and on BCP or asthma/ bronchitis/ penumonia. Seek medical attention immediately in ER if there is shortness of breath.