 [ Symptoms ] i am 47 and about over a bout with shingles how long do i need to wait to get the vaccine [ Disease ] viral gastroenteritis is very prevalent this time of year please keep in mind that this is just a blind guess since i have no way of examining you the most important thing is fluid replacement you must stay well hydrated do not eat very much for a few more days most of these viral infections resolve in about 7 10 days so hang in there at least you are not vomiting so be greatful in my practice we do not treat diarrhea with drugs at least at this stage but your doctor may have other ideas your stomach pain may be cramps or gas but if you are concerned the only way that you can be sure is to see your medical provider so you can be examined abdinal painad diahrea