Betoptic Pilo

Generic name: betaxolol hydrochloride and pilocarpine hydrochloride
Dosage form: ophthalmic suspension

Medically reviewed by Drugs.com. Last updated on May 23, 2022.

DESCRIPTION

Betoptic®Pilo Ophthalmic Suspension contains betaxolol hydrochloride, a cardiovascular (beta1) adrenoceptor antagonist and pilocarpine hydrochloride, a cholinergic parasympathomimetic agent.

Betaxolol hydrochloride is a white, crystalline powder. Its chemical name is (±)-1[p-(cyclopropylmethoxy)ethyl]phenoxy]-3-(isopropylamino)-2-propanol hydrochloride with an empirical formula of C18H29NO3HCl and a molecular weight of 343.89. The chemical structure of betaxolol hydrochloride is as follows:

Pilocarpine hydrochloride is a white powder. Its chemical name is 2(3H)-furanone, 3-ethyldihydro-4-[(1-methyl-1H-imidazol-5-yl)-methyl]-, monohydrochloride, (3S-cis)- with an empirical formula of C11H16N2O2HCl and a molecular weight of 244.72. The chemical structure of pilocarpine hydrochloride is as follows:

Each mL of Betoptic®Pilo Ophthalmic Suspension contains the following:

Active: Betaxolol hydrochloride 2.8 mg equivalent to 2.5 mg betaxolol base and pilocarpine hydrochloride 17.5 mg;

Preservative: Benzalkonium chloride 0.01%.

Inactive: Mannitol, poly(styrene-divinyl benzene) sulfonic acid, carbomer 934P, boric acid, edetate disodium, sodium hydroxide and/or hydrochloric acid to adjust to a pH 6.0-8.0 and purified water.

Betoptic®Pilo Ophthalmic Suspension is provided as a two-part unit for combination by the Pharmacist. It consists of the following components: Part I – a glass syringe containing pilocarpine hydrochloride 8.75%, sodium hydroxide and/or hydrochloric acid (pH 5.0 ± 0.2) and purified water to 1.6 mL; and Part II – a DROP-TAINER® containing betaxolol 0.313%, poly(styrene-divinyl benzene) sulfonic acid, carbomer 934P, boric acid, mannitol, edetate disodium, benzalkonium chloride, sodium hydroxide (pH 8.0 ± 0.2) and purified water to 6.4 mL.

Betoptic®Pilo Ophthalm...