Atenolol and Vildagliptin: Interaction Details
AI-assisted, pharmacist-reviewed · AI content regenerated Jul 15, 2026 · Source data updated Jul 11, 2026 · Sources: FDA labeling, DDInter 2.0, cited literature
Atenolol
Vildagliptin
No brand names on record
How we grade severity & evidence
Severity levels
- Contraindicated: These should generally not be used together.
- Major: Potentially serious — often needs a change or close monitoring.
- Moderate: Can be significant — usually manageable with monitoring.
- Minor: Usually limited clinical impact.
Evidence grades
- Established: Well documented — supported by controlled studies or strong clinical data.
- Probable: Good supporting evidence, though not definitively proven.
- Suspected: Some evidence suggests this interaction, but it is not well established.
- Possible: Limited or conflicting evidence; the interaction may occur.
- Theoretical: Predicted from the drugs' pharmacology; not yet confirmed in people.
Ratings come from the documented interaction literature and are reviewed by a pharmacist. They describe the documented risk of the combination, not what will necessarily happen to you — your dose, timing, and health picture all matter.
You've been prescribed atenolol (a beta-blocker for your heart or blood pressure) along with vildagliptin for your diabetes. Here's the thing to know: beta-blockers can slightly change how your blood sugar behaves, and more importantly, they can mask some of the warning signs of low blood sugar.
Normally, when your sugar drops, you might feel your heart race, get shaky, or sweat. Atenolol can hide the racing-heart signal, so a low might sneak up on you. The good news is you'll usually still notice sweating and dizziness, and your care team can manage this easily by checking your sugar a bit more often. Keep taking both as prescribed and just let your pharmacist or doctor know how you're doing.
Effect: Beta-blockade may alter glycemic control (hypo- or hyperglycemia) and blunt adrenergic warning signs of hypoglycemia, notably tachycardia. Diaphoresis and dizziness are typically preserved.
- Mechanism: Beta-adrenergic blockade plus altered glucose metabolism. Atenolol is beta-1 selective, so masking is generally less pronounced than with nonselective agents, but still relevant.
- Direction/magnitude: Variable; may increase or decrease the glucose-lowering effect of vildagliptin. Neither drug is a prodrug.
- Onset: Delayed. Evidence: Probable. Severity: Moderate.
- Management: Increase frequency of glucose monitoring; individualize antidiabetic dosing. If atenolol is withdrawn, watch for loss of glycemic control.
What happens
Hypoglycemia or hyperglycemia; decreased symptoms of hypoglycemia
Interaction Deep Dive
The simultaneous use of antidiabetic medications with beta-blockers can produce either hypoglycemia or hyperglycemia, and it may mask the warning signs of hypoglycemia23. Among those signs, tachycardia may be affected, whereas other manifestations such as dizziness and sweating are not 1. Insulin-induced hypoglycemia can be intensified by nonselective beta-blockers, which may also hinder the return of serum glucose to normal levels. In individuals who have both heart failure and diabetes, hyperglycemia may deteriorate 7. It may become necessary to check glucose more often or to modify the dose of the antidiabetic drug 23. During combined use, watch carefully for signs and symptoms of hypoglycemia, and should the beta-blocker be discontinued, monitor for a loss of glycemic control 4.
Why it happens (mechanism)
Altered glucose metabolism and beta blockade
How to manage this interaction
This combination is commonly used and manageable. The main points:
- Keep taking both as prescribed unless your doctor tells you otherwise.
- Check your blood sugar more often if your care team advises it, since atenolol can hide the fast-heartbeat warning of a low.
- Learn the signs that still show through, such as sweating, dizziness, confusion, or hunger.
- Your antidiabetic dose may need to be adjusted and individualized by your care team, and they may monitor you more closely.
- If your atenolol is ever stopped, tell your prescriber, as your blood sugar control may shift.
Management is individual — confirm any change with your pharmacist or prescriber.
Literature reports
2 reports — tap to read
a) In elderly diabetic patients receiving either insulin or sulfonylureas, the selection of antihypertensive agent had little influence on the risk of hypoglycemia; however, once other risk factors were accounted for, the lowest risk was seen with cardioselective beta blockers and the highest with non-cardioselective beta blockers, while other antihypertensive agents fell in between (N=13,559) 5.
b) In patients with hypertension and non-insulin dependent diabetes, beta blockers produced a worsening of long-term glycemic control, whereas alpha blockade and ACE inhibitors did not. Some unfavorable changes in the lipid profile also occurred with beta blockade. These effects were particularly evident with propranolol. Using an alpha blocker together with the beta blocker prevented the worsening attributable to beta blockade 6.
Common questions
Can I take Atenolol and Vildagliptin together?
Atenolol can hide the racing-heart warning of low blood sugar and may shift your glucose control, so check your sugar more often and know that sweating and dizziness are still reliable warning signs. Keep taking both and let your care team fine-tune your diabetes medication. Always confirm with your pharmacist or prescriber before making any change.
How serious is the Atenolol and Vildagliptin interaction?
It is rated moderate. Can be significant — usually manageable with monitoring.
How quickly could this interaction happen?
The documented onset is "delayed". Effects tend to build up gradually over days to weeks.
How is the Atenolol and Vildagliptin interaction managed?
This combination is commonly used and manageable. The main points: Keep taking both as prescribed unless your doctor tells you otherwise. Check your blood sugar more often if your care team advises it, since atenolol can hide the fast-heartbeat warning of a low. Learn the signs that still show through, such as sweating, dizziness, confusion, or hunger. Your antidiabetic dose may need to be adjuste… Management is individual — always follow your own care team's guidance.
How strong is the evidence for this interaction?
The evidence is graded "probable". Good supporting evidence, though not definitively proven.
Questions for your pharmacist
- Does my dose of Atenolol or Vildagliptin need adjusting while I take them together?
- What symptoms should prompt me to call you or my prescriber right away?
- Does the timing of my doses matter for this combination?
- Is there anything you'd monitor while I'm on both?
References (7)
- Product Information: TENORMIN(R) oral tablets, atenolol oral tablets. AstraZeneca Pharmaceuticals LP (per FDA), Wilmington, DE, 2012. DailyMed
- Product Information: TOUJEO(R) subcutaneous injection, insulin glargine subcutaneous injection. sanofi-aventis (per manufacturer), Bridgewater, NJ, 2015. DailyMed
- Product Information: AMARYL(R) oral tablets, glimepiride oral tablets. Sanofi-Aventis U.S. LLC (per FDA), Bridgewater, NJ, 2013. DailyMed
- Product Information: Glynase(R) PresTab(R) oral micronized tablets, glyburide oral micronized tablets. Pharmacia & Upjohn Co (per FDA), New York, NY, 2013. DailyMed
- Shorr RI, Ray WA, Daugherty JR, et al: Antihypertensives and the risk of serious hypoglycemia in older persons using insulin or sulfonylureas. JAMA 1997; 278:40-43. DOI
- Whitcroft IA, Thomas JM, Rawsthorne A, et al: Effects of alpha and beta adrenoceptor blocking drugs and ACE inhibitors on long term glucose and lipid control in hypertensive non-insulin dependent diabetics. Horm Metab Res Suppl 1990; 22:42-46.
- Product Information: COREG CR(R) extended-release oral capsules, carvedilol phosphate extended-release oral capsules. GlaxoSmithKline, Research Triangle Park, NC, 2011. DailyMed
Keep reading about Atenolol
Keep reading about Vildagliptin
These medications also interact with supplements
Prescription drugs aren't the whole picture — herbal and dietary supplements can interact with them too. From the evidence-graded Natural Medicines database:
major · moderate · minor — check everything you take with our drug–supplement interaction checker.
Check another combination
Our instant two-drug interaction checker is almost here.
Still have questions about this combination?
Every question gets a real answer from a licensed pharmacist — free, and usually within a day.
Ask the pharmacist