Inclusion Criteria:  Patients who presented to the ED with acute non-penetrating minor soft tissues musculoskeletal limb trauma occurring within 24 hours before presentation, and who required a prescription for home use analgesic treatment upon discharge for pain-on-movement (POM) with intensity >50 on a visual numeric scale (VNS) on a standard 11 point (0-10). Pain was considered traumatic if it is reported as appearing immediately after the trauma and no anterior pain was described in the same limb.  Exclusion Criteria:  Pregnancy/Breastfeeding Skin lesions (excessive dryness or redness of the skin, atopic dermatitis, and eczema) in the painful region Presence of wound, joint dislocation, or more than one injury Presence of a fracture Severe trauma (ISS > 16) Hospitalization or surgery, daily use of NSAIDs or other analgesia within 2 weeks Previous treatment with analgesia for the same injury History of previous adverse reaction or known allergy or hypersensitivity Physical, visual, or cognitive impairment (inability to use the VNS pain score) Refusal to consent or to communicate