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Flexeril, Amrix
Muscle relaxant • Centrally acting skeletal muscle relaxant
Reduces muscle spasm through action at the brainstem; structurally related to TCAs
Drug Class
Muscle relaxant
Subclass
Centrally acting skeletal muscle relaxant
Half-life
18 hours
Time for plasma concentration to decrease by 50%
Protein Binding
93%
Fraction bound to plasma proteins
Therapeutic Index
Wide
Margin between therapeutic and toxic doses