Active Ingredient History

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Timolol is the non-selective Beta antagonist used as eye drops to treat increased pressure inside the eye such as in ocular hypertension and glaucoma. Timolol is also used for high blood pressure, chest pain due to insufficient blood flow to the heart, to prevent further complications after a heart attack, and to prevent migraines. Timolol is a beta1 and beta2 (non-selective) adrenergic receptor antagonist that does not have significant intrinsic sympathomimetic, direct myocardial depressant, or local anesthetic (membrane-stabilizing) activity. Timolol, when applied topically on the eye, has the action of reducing elevated, as well as normal intraocular pressure, whether or not accompanied by glaucoma. Elevated intraocular pressure is a major risk factor in the pathogenesis of glaucomatous visual field loss and optic nerve damage. The precise mechanism of the ocular hypotensive action of Timolol is not clearly established at this time. Tonography and fluorophotometry studies of the timolol maleate ophthalmic solution in man suggest that its predominant action may be related to the reduced aqueous formation. However, in some studies, a slight increase in outflow facility was also observed. In a study of plasma drug concentration in six subjects, the systemic exposure to timolol was determined following once daily administration of Timolol Maleate Ophthalmic Gel Forming Solution 0.5% in the morning. The mean peak plasma concentration following this morning dose was 0.28 ng/mL. Side effects, when given in the eye, include burning sensation, eye redness, superficial punctate keratopathy, corneal numbness.   NCATS

  • SMILES: CC(C)(C)NC[C@H](O)COc1nsnc1N2CCOCC2
  • InChIKey: BLJRIMJGRPQVNF-JTQLQIEISA-N
  • Mol. Mass: 316.43
  • ALogP: 0.5
  • ChEMBL Molecules:
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Drug Pricing (per unit)

United States

$0.0020 - $74.1931

Australia

$4.4425 - $4.4890
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Note: This drug pricing data is preliminary, incomplete, and may contain errors.

Combination drugs

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( dorzolamide (trusopt), timolol (blocadren) - other name: cosopt pf )
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arutimol | betim | betimol | bimatoprost / timolol | blocadren | blocarden | brinzolamide / timolol maleate | glaucol | glau-opt | istalol | l-timolol | nyogel | (s)-1-(tert-butylamino)-3-[(4-morpholin-4-yl-1,2,5-thiadiazol-3-yl)oxy]propan-2-ol | (s)-timolol | timolol | (-)-timolol | timolol anhydrous | timolol hemihydrate | timolol maleate | timolol maleate salt | timololo | timololum | timoptic | timoptic in ocudose | timoptic xe | timoptic-xe | tiopex | travoprost / timolol

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