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Carteolol

Beta Blocker · Ocular Hypotensive Agent

Beta BlockerOcular Hypotensive AgentATC S01ED03
CDSCO approvedSchedule HATC S01ED03
EXCRETION
not curated
INTERACTIONS
12 major
SEVERE in our sources
PREGNANCY
not curated
Top interactionssee all 12
  • AdrenalineSevereTextbookKDT 7e · p133
  • AmilorideSevereTextbookKDT 7e
  • SofosbuvirSevereTextbookHarrison 22e · unknown
  • AminophyllineSevereDatabaseDDInter

Mechanism

Carteolol is a non-selective beta-adrenergic receptor antagonist, blocking both "β1" and "β2" receptors. In ophthalmic use, its mechanism of action involves reducing aqueous humor secretion. This blockade leads to a decrease in intraocular pressure.

Indications

Ocular hypertensionGlaucomaGlaucoma (topical)

Side effects

Common
bradycardiadepressionimpotence
Serious
  • exacerbation of respiratory problems (asthma and chronic obstructive pulmonary disease)

Drug interactions

Adrenaline
Severe
Textbook

Marked rise in BP.

Adrenaline should not be given to patients receiving β blockers.

Source: KDT 7e · p133

Amiloride
Severe
Textbook

Hyperkalaemia more likely.

Source: KDT 7e

Sofosbuvir
Severe
Textbook

Severe bradycardia.

Extreme caution advised if amiodarone is co-administered with sofosbuvir and a beta blocker.

Source: Harrison 22e · unknown

Aminophylline
Severe
Database

Drug interaction classified as: antagonism

Source: DDInter

Arformoterol
Severe
Database

Drug interaction classified as: antagonism

Source: DDInter

Atazanavir
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Ceritinib
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Clonidine
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Diltiazem
Severe
Database

Increased propensity for AV block, severe bradycardia, and decreased left ventricular function.

Avoid concurrent administration. The concurrent administration of diltiazem with a beta blocker is contraindicated.

Source: DDInter

Disopyramide
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Dolasetron
Severe
Database

Drug interaction classified as: synergy

Source: DDInter

Dyphylline
Severe
Database

Drug interaction classified as: antagonism

Source: DDInter

Related guidelines

Other Beta Blocker drugs

Ask House about Carteolol

Continue into a citation-backed clinical answer with the drug context already attached.

Sources: KD Tripathi 7e, Goodman & Gilman 14e, Katzung·Verified: 2026-05-10 · House clinical team