Inclusion Criteria:  Participants suffering from mild to moderate acute low back pain Low back pain (lumbar back pain) is defined as pain in the back from the level of the lowest rib down to the gluteal fold Acute episode is defined as first pain episode in participant's life, or after a pain-free interval of at least six months, and lasts no longer than six weeks -With intensity ≤ 6 on 0-10 Numerical Rating Scale (NRS) - - - -  Exclusion Criteria:  Participants suffering from any neurological pathology which could be responsible of the pain Participants suffering from leg pain irradiation Participants suffering from chronic lumbar pain of any etiology Participants with chronic arthrosis and neurological symptoms Participants experiencing recent significant trauma (i.e., injury related to a fall from a height or motor vehicle crash, or from a minor fall or heavy lifting in a participants with osteoporosis or possible osteoporosis) Participants with major or progressive motor or sensory deficit, new-onset bowel or bladder incontinence or urinary retention, loss of anal sphincter tone, saddle anesthesia, history of cancer metastatic to bone, and suspected spinal infection Participants experiencing work litigation, anxiety and/or depression Participants taking any medication for their pain within the last 5 days (only accepted up to 2 g of paracetamol per day) Participants having received any therapy (medication or patches) for their pain within the last 5 days Participants currently using recreational or illicit drugs or with a recent history of drug or alcohol abuse or dependence Participants with any other medical condition that would interfere with efficacy and safety assessments based on investigator's judgment Participants having received non-pharmaceutical lower back pain treatment (physiotherapy, heat treatment or massage) within 12 hours prior to enrollment Participants having received spinal injection back pain treatment within 6 months prior to enrollment Participants having received surgery due to back pain or rehabilitation due to back pain in the last 12 months Participants with a known sensitivity to paracetamol Participants with known cutaneous hypersensitivity to plaster Participants participating in another clinical study within the past 30 days Participants who are pregnant or breastfeeding; contraception is mandatory Participants having damaged, non-intact, or scarred skin in or near the point of patch application Participants having a known skin sensitivity Participants having impaired blood circulation  The above information is not intended to contain all considerations relevant to a potential participation in a clinical trial.