[Ref: FDA Ref
Luca G, Parrettini S, Sansone A, Calafiore R, Jannini EA
Common side effects of sitagliptin include: Diarrhea Headache Nausea Sore throat Stuffy or runny nose Swelling of hands or legs Upper respiratory infection Serious sitagliptin side effects include: Allergic reactions (hives, difficulty breathing or swelling of the lips, face, tongue or throat) Heart failure (rapid increase in weight, shortness of breath or swelling of the feet) Hypoglycemia (low blood sugar) Necrotizing pancreatitis (a complication of acute pancreatitis that causes tissue death) Acute pancreatitis (inflammation in the pancreas, causing abdominal pain) Severe joint pain Severe skin reaction (rash, blistering or peeling, burning eyes or facial swelling) Increased blood glucose, pancreatitis, pancreatic cancer and gastrointestinal disorders (vomiting, diarrhea and nausea) were the most commonly reported side effects of Januvia and Janumet to the FDAs Adverse Event Reporting System (FAERS)
Combining them may increase these effects in some people
If the employer did not opt in, weight-loss Wegovy is excluded this is a benefit design decision, not a medical-necessity denial, and appeals will not succeed