saxagliptin vs sitagliptin
Side-by-side comparison of saxagliptin and sitagliptin. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
Onglyza
Januvia
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No summary available.
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- • Upper respiratory tract infection
- • Urinary tract infection
- • High cholesterol
- • Diarrhea
- • Upper respiratory tract infection (like a cold)
- • Headache
- Congestive heart failure 428
- Increased blood sugar 401
- Heart failure 400
- Feeling sick to your stomach 372
- Loose stools 328
- Increased blood sugar 4,452
- Feeling sick to your stomach 3,787
- Diarrhea 3,470
- Feeling tired 2,883
- Headache 2,508
No specific warnings noted.
No specific warnings noted.
No pregnancy information available.
No pregnancy information available.
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How to Read This saxagliptin vs sitagliptin Comparison
saxagliptin is classified in the DPP-4 Inhibitor drug class, while sitagliptin sits within the DPP-4 Inhibitor class. Because both drugs share the same classification, they are often considered interchangeable in theory, but clinical outcomes rarely track that cleanly. Both drugs are prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, saxagliptin has 1,929 submissions while sitagliptin has 17,100. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. No direct interaction between these two drugs is listed in our FDA-derived dataset, though co-prescription still warrants pharmacist review. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between saxagliptin and sitagliptin - always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.