Monograph Details

Eye Disorders > Glaucoma
TIMOPTIC OCUDOSE
Manufacturer
Merck & Co., Inc.
Legal Classification
Rx
Pharmacological Class
Noncardioselective β-blocker.
Generic Name
Timolol (as maleate) 0.25%, 0.5%; (0.2mL/dose); oph soln; preservative-free.
Also
TIMOPTIC
TIMOPTIC-XE
Indications
Open-angle glaucoma.
Children
Not recommended.
Adults
Initially 1 drop of 0.25% twice daily; max 1 drop of 0.5% twice daily. Transfer from other drugs, see literature.
Contraindications
Greater than 1st-degree AV block. Uncompensated cardiac failure. Cardiogenic shock. Sinus bradycardia. History of bronchospasm. Bronchial asthma. Severe COPD. As sole agent in narrow-angle glaucoma. All contact lenses (Timoptic-XE); soft contact lenses (Timoptic and Timoptic-XE).
Precautions
Poor cardiac reserve should be controlled with digitalis and diuretics. Diabetes. Presbyopia. May mask hypoglycemia or thyrotoxicosis. Myasthenia gravis. Cerebrovascular insufficiency. Measure intraocular pressure after 4 weeks of treatment. Avoid abrupt cessation. Discontinue at 1st sign of cardiac failure and before surgery. Pregnancy (Cat.C). Nursing mothers: not recommended.
Interactions
May potentiate systemic β-blockers, reserpine, hypoglycemics and mydriatic effect of topical epinephrine. Additive cardiac and pulmonary effects with anticholinesterase miotics. May antagonize bronchodilation from β-adrenergic agonists. May cause conduction defects with calcium channel blockers, digoxin.
Adverse Reactions
Ocular irritation, sensitization, rash, dizziness, blurred vision, corneal anesthesia, headache, GI upset, paresthesias. Systemic β-blocker effects (bradycardia, arrhythmias, hypotension, bronchospasm, heart failure). Aphakic maculopathy (rare).
How Supplied
Soln—5mL, 10mL, 15mL
Ocudose—60
XE—2.5mL, 5mL