Efficacy and Safety of Fixed-dose Combination of Etoricoxib/Tramadol vs Acetaminophen/Tramadol for Acute Low Back Pain
Conditions
Interventions
- DRUG: Etoricoxib 90 mg / Tramadol 50 mg
- DRUG: Acetaminophen 325 mg / Tramadol 37.5 mg
Sponsor
Laboratorios Silanes S.A. de C.V.