4% Lidocaine Hydrochloride Injection, USP is a sterile, nonpyrogenic solution containing lidocaine hydrochloride, anhydrous 40 mg/mL in water for injection. May contain sodium hydroxide and/or hydrochloric acid for pH adjustment. pH 6.5 (5.0 to 7.0).
Lidocaine has cardiac antiarrhythmic properties and is a local anesthetic of the amide type.
Lidocaine Hydrochloride, USP is chemically designated 2-(diethylamino)-2′,6′-acetoxylidide monohydrochloride monohydrate, a white powder freely soluble in water. It has the following structural formula: