Under the Warning and Precautions of Byetta,
if you have persistent severe ABDOMINAL pain that will NOT go away,you should discontinue the medication and notify your doctor . He/She may change your medication to control your type II diabetes.
Because Byetta is primary cleared by the kidney,hepatic (liver)dysfunction is not expected.
As you may know, base on post marketing data Byetta has been associated with acute pancreatitis(abd pain,nausea and/or vomiting are part of the symptoms)
Byetta is manufactured by Amylin/Eli Lilly the phone # 1-800-868-1190.