FDA approves Sagent drug

SCHAUMBURG, Ill. — The Food and Drug Administration has approved a generic skeletal muscle relaxant made by Sagent Pharmaceuticals, Sagent said.

The generic drug maker announced the approval of orphenadrine citrate injection, which it will offer in 60-mg-per-2-mL, single-dose vials.

Various versions of the drug had sales of about $4.3 million in 2011, according to IMS Health.