Tizanidine
MOA: α2 agonist
- enhances inhibition of muscle stretch reflex
AEs:
skeletal muscle weakness
hypotension
bradycardia
drowsiness
xerostomia
Baclofen
MOA: GABAB agonist
- enhances inhibition of muscle stretch reflex
AEs: skeletal muscle weakness (more than tizanidine)
dizziness
drowsiness
depression
fatigue