Early morning i drink water about an hour later my stomach hurt above my belly button i have been throwing up. and have loose stool what could it b?

Need evaluation.: It's hard to say what is causing your gastrointestinal symptoms without evaluation. If viral, your symptoms should subside after a day or two. However, if your symptoms have persisted for more than 1-2 days, you should see a doctor (family medicine or gastroenterologist) for evaluation of your symptoms and to rule out more problematic causes. In the meantime, stay hydrated.

Possibilities : First, since the event, are you continuing with the same symptoms? If so, it can be several possible reasos, depending on the details of you case- this is best discussed with a healthcare professional or a call to your doctor. If you are better, it may be due to something you recently ingested or were exposed to. Monitor yourself and if symptoms return, call your doctor.

Not necessarily...: ...Cause ; effect distinguish pregnancy, inflammatory (ulcer, small bowel disease, gallbladder/ biliary problem, pancreatitis, uti), structural (partial obstruction, extrinsic impression against the gut (adhesions, superior mesenteric artery syndrome), functional (gastroparesis, irritable bowel), anxiety, much more. A thorough exam and some directed imaging studies ; labs should provide u answer.