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Atenolol

Tenormin, Tenoretic

Beta blocker • Cardioselective beta-1 blocker

Premium

Half-life

6-7 hours

Protein Binding

6-16%

Metabolized By

N/A

External

Drugs.com

Boxed warning

Do not abruptly discontinue

Clinical alerts

Boxed warning

1 boxed warning

Mechanism of action

Selectively blocks beta-1 adrenergic receptors

Interactions

No curated interaction pairs are recorded for Atenolol. This is not a statement that none exist — check a full interaction reference before combining.

Common adverse effects

Fatigue
Cold extremities
Bradycardia
Dizziness

Food, alcohol & herbal

Alcohol · moderate

Additive hypotension

Pharmacokinetics

Half-life: 6-7 hours
Protein binding: 6-16%

Pregnancy & lactation

Not recorded for Atenolol. Absence here means this database does not hold a category — not that the drug is safe in pregnancy or breastfeeding.

Sources

Assembled from: drug index, curated drug database.

Not a substitute for clinical judgement

Atenolol

Tenormin, Tenoretic

Beta blocker • Cardioselective beta-1 blocker

Premium

Half-life

6-7 hours

Protein Binding

6-16%

Metabolized By

N/A

External

Drugs.com

Boxed warning

Do not abruptly discontinue

Clinical alerts

Boxed warning

1 boxed warning

Mechanism of action

Selectively blocks beta-1 adrenergic receptors

Interactions

No curated interaction pairs are recorded for Atenolol. This is not a statement that none exist — check a full interaction reference before combining.

Common adverse effects

Fatigue
Cold extremities
Bradycardia
Dizziness

Food, alcohol & herbal

Alcohol · moderate

Additive hypotension

Pharmacokinetics

Half-life: 6-7 hours
Protein binding: 6-16%

Pregnancy & lactation

Not recorded for Atenolol. Absence here means this database does not hold a category — not that the drug is safe in pregnancy or breastfeeding.

Sources

Assembled from: drug index, curated drug database.

Not a substitute for clinical judgement