Efficacy and Safety of Etoricoxib/Tizanidine Versus Etoricoxib for Acute Low Back Pain Associated to Muscle Spasm
Conditions
- Acute Low-back Pain
- Muscle Spasm; Back Pain
Interventions
- DRUG: Etoricoxib + Tizanidine fixed dose
- DRUG: Etoricoxib fixed dose
Sponsor
Laboratorios Silanes S.A. de C.V.