Preservative-Freedrug info
Preservative-Free timolol 2.5 MG/ML Ophthalmic Solution
What it is used for
Preservative-free timolol maleate ophthalmic solution is indicated in the treatment of elevated intraocular pressure in patients with ocular hypertension or open-angle glaucoma. Preservative-free timolol maleate ophthalmic solution may be used when a patient is sensitive to the preservative in timolol maleate ophthalmic solution, benzalkonium chloride, or when use of a preservative-free topical medication is advisable.
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective October 25, 2023. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
Timolol maleate, USP is a non-selective beta-adrenergic receptor blocking agent. Its chemical name is (-)-1-( tert -butylamino)-3-[(4-morpholino-1,2,5-thiadiazol-3-yl)oxy]-2-propanol maleate (1:1) (salt). Timolol maleate, USP possesses an asymmetric carbon atom in its structure and is provided as the levo-isomer. The optical rotation of timolol maleate is: 25° [α] in 1.0N HCl (C = 5%) = -12.2° (-11.7° to -12.5°) 405 nm Its molecular formula is C 13 H 24 N 4 O 3 S
C 4 H 4 O 4, and its structural formula is: Timolol maleate, USP has a molecular weight of 432.50. It is a white, or practically white, odorless or practically odorless powder which is soluble in water, in alcohol, and in methanol; sparingly soluble in chloroform and in propylene glycol; insoluble in ether and in cyclohexane. Timolol maleate, USP is stable at room temperature. Timolol maleate ophthalmic solution, USP is supplied in preservative-free formulation. Preservative-free timolol maleate ophthalmic solution, USP is supplied in a single-dose vial, as a sterile, isotonic, buffered, aqueous solution of timolol maleate in two dosage strengths: Each mL of preservative-free timolol maleate ophthalmic solution USP, 0.25% contains 2.5 mg of timolol (3.4 mg of timolol maleate). The pH of the solution is approximately 7.0, and the osmolarity is 252-328 mOsm. Each mL of preservative-free timolol maleate ophthalmic solution USP, 0.5% contains 5 mg of timolol (6.8 mg of timolol maleate). Inactive ingredients: monobasic sodium phosphate dihydrate and dibasic sodium phosphate dodecahydrate, sodium hydroxide to adjust pH, and water for injection. Timolol Maleate -Structure
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective October 25, 2023. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
This page reproduces regulatory text for reference. It is not medical advice, and KenyRx is not a pharmacy or a prescriber. Talk to a doctor or pharmacist about whether a medicine is right for you.
See what it costs — price without insurance