FLURESS®
(fluorescein sodium and benoxinate hydrochloride) Ophthalmic Solution USP Sterile
DESCRIPTION
Fluress® (Fluorescein Sodium and Benoxinate Hydrochloride Ophthalmic Solution USP) is a sterile ophthalmic solution combining a disclosing agent with an anesthetic agent.
Fluorescein sodium is a disclosing agent with molecular formula C20H10Na2O5,
molecular weight 376.28, and chemical structure:
Chemical Name:
Spiro[isobenzofuran-1(3H), 9'-[9H]xanthene]-3-one, 3'6'-dihydroxy, Disodium salt
Benoxinate Hydrochloride is an anesthetic agent with molecular formula C17H28N2O3•HCl,
molecular weight 344.88, and chemical structure:
Chemical Name: Benzoic acid, 4-amino-3-butoxyl-,2-(diethylamino) ethyl
ester, monohydrochloride
Each mL contains:
Active: Benoxinate Hydrochloride 4 mg (0.4%), Fluorescein Sodium 2.5
mg (0.25%).
Preservative: Chlorobutanol 10 mg (1%).
Inactive: Povidone, Boric Acid, Sodium Hydroxide and/or Hydrochloric
Acid (to adjust pH), Purified Water USP.