<h1>Cerebyx</h1><p> (fosphenytoin sodium injection) is a prodrug intended for parenteral
administration; its active metabolite is phenytoin. Each Cerebyx vial contains 75 mg/mL
fosphenytoin sodium (hereafter referred to as fosphenytoin) equivalent to 50 mg/mL
phenytoin sodium after administration. Cerebyx is supplied in vials as a ready-mixed
solution in Water for Injection, USP, and Tromethamine, USP (TRIS), buffer adjusted to
pH 8.6 to 9.0 with either Hydrochloric Acid, NF, or Sodium Hydroxide, NF. Cerebyx is a
clear, colorless to pale yellow, sterile solution.
The chemical name of fosphenytoin is 5,5-diphenyl-3-[(phosphonooxy)methyl]-2,4-
imidazolidinedione disodium salt.</p>
administration; its active metabolite is phenytoin. Each Cerebyx vial contains 75 mg/mL
fosphenytoin sodium (hereafter referred to as fosphenytoin) equivalent to 50 mg/mL
phenytoin sodium after administration. Cerebyx is supplied in vials as a ready-mixed
solution in Water for Injection, USP, and Tromethamine, USP (TRIS), buffer adjusted to
pH 8.6 to 9.0 with either Hydrochloric Acid, NF, or Sodium Hydroxide, NF. Cerebyx is a
clear, colorless to pale yellow, sterile solution.
The chemical name of fosphenytoin is 5,5-diphenyl-3-[(phosphonooxy)methyl]-2,4-
imidazolidinedione disodium salt.</p>
