What is the side effect comparison between Victoza (liraglutide) and Triplicate (metformin, saxagliptin, dapagliflozin)?

Medical Advisory BoardAll articles are reviewed for accuracy by our Medical Advisory Board
Educational purpose only • Exercise caution as content is pending human review
Article Review Status
Submitted
Under Review
Approved

Last updated: July 9, 2025View editorial policy

Personalize

Help us tailor your experience

Which best describes you? Your choice helps us use language that's most understandable for you.

Side Effect Comparison Between Victoza (Liraglutide) and Triplicate (Metformin, Saxagliptin, Dapagliflozin)

Victoza (liraglutide) has a more favorable cardiovascular risk profile and causes more weight loss than Triplicate, but has higher rates of gastrointestinal side effects, while Triplicate carries risks of genital infections from dapagliflozin and potential heart failure concerns with saxagliptin.

Victoza (Liraglutide) Side Effect Profile

Common Side Effects

  • Gastrointestinal effects: Nausea, vomiting, diarrhea, delayed gastric emptying 1
  • Injection site reactions (as it's administered subcutaneously)
  • Weight loss: Significant weight reduction (beneficial effect) 1

Serious Side Effects

  • Pancreatitis: Rare but reported, causality not definitively established 1
  • Thyroid C-cell tumors: Identified in rodents, human relevance not determined 1
  • Diabetic retinopathy: Requires monitoring in high-risk patients 1
  • Biliary disease: Potential risk of gallbladder disease/cholelithiasis 1

Cardiovascular Effects

  • Cardiovascular benefit: Reduces risk of major adverse cardiovascular events 1
  • Mortality reduction: Significantly reduces cardiovascular death (HR 0.78) 1
  • Heart failure: Neutral effect on heart failure risk 1

Triplicate (Metformin, Saxagliptin, Dapagliflozin) Side Effect Profile

Metformin-Related

  • Gastrointestinal effects: Bloating, abdominal discomfort, diarrhea 1
  • Vitamin B12 deficiency: With long-term use 1
  • Lactic acidosis: Very rare but serious 1

Saxagliptin-Related

  • Joint pain: Common side effect 1
  • Heart failure risk: Increased risk of hospitalization for heart failure 1
  • Pancreatitis: Rare but reported 1
  • Hypersensitivity reactions: Including skin reactions 1

Dapagliflozin-Related

  • Genital mycotic infections: More common than with other agents 2, 3, 4
  • Urinary tract infections: Common side effect 2, 3
  • Volume depletion/hypotension: Due to diuretic effect 1
  • Diabetic ketoacidosis: Rare but serious risk 1

Combined Therapy Side Effects

  • Hypoglycemia: Low risk (≤2%) with triple therapy 2, 3, 4, 5
  • Urinary tract infections: 7-10% incidence 3, 4
  • Genital infections: 1-6% incidence 3, 4, 6

Direct Comparison of Key Side Effects

Side Effect Victoza (Liraglutide) Triplicate (Met/Saxa/Dapa)
GI effects High (primary limitation) Moderate (mainly from metformin)
Weight effect Significant weight loss Modest weight loss
Hypoglycemia risk Very low Very low (≤2%)
CV outcomes Beneficial (reduces MACE) Mixed (dapagliflozin beneficial, saxagliptin concerns)
Renal effects Beneficial Beneficial (from dapagliflozin)
Unique concerns Injection site reactions, thyroid concerns Genital infections, heart failure risk (saxagliptin)

Clinical Considerations for Selection

When Victoza May Be Preferred

  • Patients with established cardiovascular disease (proven CV benefit) 1
  • When significant weight loss is desired 1
  • Patients with chronic kidney disease (beneficial renal effects) 1
  • Patients without history of pancreatitis or gallbladder disease

When Triplicate May Be Preferred

  • Patients who prefer oral medication over injection
  • Patients with significant gastrointestinal sensitivity
  • Patients with heart failure with reduced ejection fraction (dapagliflozin benefit) 1
  • Patients at low risk for genital infections

Important Caveats and Pitfalls

  • Saxagliptin heart failure risk: Monitor for signs of heart failure when using Triplicate due to saxagliptin component 1
  • Genital infections with dapagliflozin: Counsel patients about hygiene and monitoring 1
  • GI tolerability with liraglutide: Start at lower dose (0.6mg) and titrate slowly to minimize nausea 1
  • DKA risk with dapagliflozin: Be aware of risk factors and discontinue before surgery 1
  • Vitamin B12 monitoring: Consider periodic testing with long-term metformin use 1

The most recent evidence suggests that both medications are generally well-tolerated, but their side effect profiles differ significantly, allowing for personalization based on patient-specific risk factors and comorbidities.

Related Questions

Should I start with Januvia (sitagliptin) and Farxiga (dapagliflozin) together, or one at a time, for a patient with multiple myeloma on dexamethasone with elevated HbA1C and metformin intolerance?
What is the recommended A1C target for a 65-year-old male with concurrent gout, hypertension (HTN), taking metformin (biguanide) 500 BID, Ozempic (semaglutide), and Jardiance (empagliflozin)?
Can a patient with nausea due to metformin (biguanide) be switched to Farxiga (dapagliflozin), an SGLT2 (sodium-glucose cotransporter 2) inhibitor?
At what fasting plasma glucose level should dapagliflozin (SGLT2 inhibitor) + sitagliptin (DPP-4 inhibitor) + metformin be considered for type 2 diabetes patients?
What are the next steps to manage a 62-year-old male with uncontrolled type 2 diabetes mellitus (DM2) and an hemoglobin A1C (HbA1C) level of 8.2%, currently on Mounjaro (tirzepatide), Farxiga (dapagliflozin), and maximum dose of metformin, with intolerance to sulfonylureas?
Is fentanyl (synthetic opioid) safe to use in patients with myasthenia gravis?
What is the best course of action for a patient with ADD, manic disorder, anxiety, and depression, who has been taking Vyvanse (lisdexamfetamine) for 7-10 years and is due for a refill, now that her previous psychiatrist is no longer practicing?
When should a Foley catheter be exchanged in a patient with a catheter-associated urinary tract infection (CAUTI)?
What is the comparison of side effects between Trulicity (dulaglutide) and Victoza (liraglutide)?
What is the first line of treatment for irritability in children with Autism Spectrum Disorder (ASD)?

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

Have a follow-up question?

Our Medical A.I. is used by practicing medical doctors at top research institutions around the world. Ask any follow up question and get world-class guideline-backed answers instantly.