Drug Interaction Report

Atenolol and Indacaterol: 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

Tenormin Tenormin®
+

Indacaterol

No brand names on record
Dr. Brian Staiger, PharmD, BCPS
Medically reviewed by
Updated Jul 11, 2026
LinkedIn
Interaction severity
Major
Potentially serious — often needs a change or close monitoring.
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.

Of 202 documented Atenolol interactions, 35 are rated major — including this one.
Worried about symptoms right now? Contact your pharmacist or prescriber, or call Poison Control at 1-800-222-1222 (US). Call 911 for an emergency.
At a glance + Theoretical Effects may be weaker
The Bottom Line
Atenolol can partly block the airway-opening effect of indacaterol and, in lung disease, can worsen breathing, so let your care team decide the safest medicine and dose for you. Don't stop either drug on your own.

These two medicines work against each other. Indacaterol is an inhaled medicine that opens up your airways so you can breathe easier. It does this by switching on tiny receptors (called beta-2 receptors) in your lungs. Atenolol is a beta blocker that helps your heart and blood pressure, but it can partly block those same receptors. So atenolol may weaken how well indacaterol opens your airways, and in some people with lung disease it can even trigger tightening of the airways.

Good news: your care team can manage this. They may pick a different blood pressure medicine or a more lung-friendly beta blocker, and watch your breathing more closely. Don't change anything on your own, just talk with your pharmacist or doctor.

Pharmacodynamic antagonism. Indacaterol (long-acting beta-2 agonist) and atenolol (beta-blocker) act on the same beta-adrenergic receptors in opposite directions, so atenolol can blunt indacaterol's bronchodilator efficacy. Neither is a prodrug; this is a PD, not PK, interaction.

  • Direction: reduced indacaterol bronchodilation; possible bronchospasm in COPD.
  • Evidence: theoretical; severity rated major.
  • Management: beta-blockers generally avoided in COPD. If required and no alternative exists, favor a cardioselective agent (atenolol is relatively cardioselective) at the lowest effective dose, with close monitoring of respiratory status and symptom control.
Onset
unspecified
Evidence
theoretical
Severity
Major

What happens

Decreased efficacy of indacaterol

Interaction Deep Dive

Because of pharmacological antagonism, taking indacaterol (a beta-2 agonist) together with a beta-adrenergic receptor antagonist (beta blocker) can undermine the action of both drugs. Beta blockers can also trigger severe bronchospasm in individuals with COPD. For this reason, beta blockers are generally advised against in COPD patients. When their combined use cannot be avoided or when no suitable alternatives exist, a cardioselective beta blocker should be considered and used cautiously1.

Why it happens (mechanism)

Pharmacological antagonism

How to manage this interaction

Keep taking both exactly as prescribed unless your prescriber tells you otherwise. This is a manageable situation your care team can tailor to you.

  • Tell your doctor and pharmacist you use both, especially if you have COPD or asthma.
  • Your team may choose a more lung-selective (cardioselective) beta blocker, or a different blood pressure medicine, and use the lowest dose that works.
  • They may monitor your breathing and inhaler response more closely.
  • Report new or worsening shortness of breath, wheezing, or chest tightness promptly.

Management is individual — confirm any change with your pharmacist or prescriber.

Common questions

Can I take Atenolol and Indacaterol together?

Atenolol can partly block the airway-opening effect of indacaterol and, in lung disease, can worsen breathing, so let your care team decide the safest medicine and dose for you. Don't stop either drug on your own. Always confirm with your pharmacist or prescriber before making any change.

How serious is the Atenolol and Indacaterol interaction?

It is rated major. Potentially serious — often needs a change or close monitoring.

How quickly could this interaction happen?

The documented onset is "unspecified". The timing of this interaction is not well characterized.

How is the Atenolol and Indacaterol interaction managed?

Keep taking both exactly as prescribed unless your prescriber tells you otherwise. This is a manageable situation your care team can tailor to you. Tell your doctor and pharmacist you use both, especially if you have COPD or asthma. Your team may choose a more lung-selective (cardioselective) beta blocker, or a different blood pressure medicine, and use the lowest dose that works. They may monitor… Management is individual — always follow your own care team's guidance.

How strong is the evidence for this interaction?

The evidence is graded "theoretical". Predicted from the drugs' pharmacology; not yet confirmed in people.

Questions for your pharmacist

  • Does my dose of Atenolol or Indacaterol 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 a safer alternative to one of these medications for me?

References (1)

  1. Product Information: ARCAPTA(R) NEOHALER(R) inhalation powder, indacaterol inhalation powder. Sunovion Pharmaceuticals Inc (per FDA), Marlborough, MA, 2019.
Was this write-up helpful?
Beyond drug–drug

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.

Coming soon

The instant two-drug checker is on its way.

In the meantime, browse the directory below to look up any drug and see its documented interactions.

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
This information is for education, not a substitute for professional medical advice. Do not start, stop, or change any medication without talking to your pharmacist or prescriber.