Medication Guide App

Betaxon Side Effects

Generic Name: levobetaxolol ophthalmic

Note: This page contains information about the side effects of levobetaxolol ophthalmic. Some of the dosage forms included on this document may not apply to the brand name Betaxon.

Not all side effects for Betaxon may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

For the Consumer

Applies to levobetaxolol ophthalmic: ophthalmic suspension

If you experience any of the following serious side effects, stop using levobetaxolol ophthalmic and seek emergency medical attention or contact your doctor immediately:

  • an allergic reaction (swelling of the lips, face, or tongue; difficulty breathing; closing of the throat; or hives);

  • an asthma attack (shortness of breath, wheezing); or

  • irregular, fast, or slow heartbeats or changes in blood pressure.

Other, less serious side effects may be more likely to occur. Continue to use levobetaxolol ophthalmic (the active ingredient contained in Betaxon) and talk to your doctor if you experience

  • eye burning or stinging;

  • blurred vision;

  • anxiety;

  • dizziness; or

  • upset stomach.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

For Healthcare Professionals

Applies to levobetaxolol ophthalmic: ophthalmic suspension


Although systemic adverse events have been only infrequently reported, levobetaxolol ophthalmic (the active ingredient contained in Betaxon) drops may be absorbed systemically and side effects similar to systemically administered beta-blockers such as severe respiratory or cardiac reactions have been experienced.[Ref]


Cardiovascular side effects have included bradycardia, heart block, hypotension, hypertension, tachycardia, and vascular anomaly in less than 2% of patients.[Ref]


Respiratory side effects have been related to the ability of levobetaxolol to inhibit bronchodilation, which may be important in some patients with reversible airway disease, including asthma or severe obstructive lung disease. Asthmatic attacks, bronchospasm, pulmonary distress, bronchitis, dyspnea, pharyngitis, pneumonia, rhinitis, and sinusitis have been reported.[Ref]


Gastrointestinal side effects have included constipation and dyspepsia in less than 2% of patients.[Ref]


Endocrine side effects have included diabetes and hypothyroidism in less than 2% of patients, and thyrotoxicosis.[Ref]


Metabolic side effects have included gout, hypercholesterolemia, and hyperlipidemia in less than 2% of patients.[Ref]


Musculoskeletal side effects have included arthritis, tendonitis, and exacerbation of myasthenia gravis in less than 2% of patients.[Ref]


Dermatologic side effects have included alopecia, dermatitis, and psoriasis in less than 2% of patients.[Ref]

Nervous system

Nervous system side effects have included dizziness, anxiety, hypertonia, and vertigo in less than 2% of patients.[Ref]


Genitourinary side effects have included breast abscess and cystitis in less than 2% of patients.[Ref]


Other side effects that have been attributed to levobetaxolol ophthalmic (the active ingredient contained in Betaxon) have included accidental injury, ear pain, otitis media, tinnitus, and infection in less than 2% of patients.[Ref]


Ocular side effects have included transient discomfort and pain after instillation (11%), transient blurred vision (2%), cataracts (<2%), and vitreous disorders (<2%).[Ref]


1. "Product Information. Betaxon (levobetaxolol ophthalmic)" Alza, Palo Alto, CA.

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