A sterile solution containing 10 mg atracurium besylate per mL, without an antimicrobial preservative, supplied in ampoules.
Ampoules 2.5 mL: Each clear glass ampoule contains 25 mg atracurium besylate in 2.5 mL of a clear, faintly yellow, sterile solution.
Ampoules 5 mL: Each clear glass ampoule contains 50 mg atracurium besylate in 5 mL of a clear, faintly yellow, sterile solution.