This application offers: - Assistance in the evaluation of pain patients with numerical scale, verbal rating scale, Algoplus scale (R), but also a translation tool for communicating with foreign patients (English, Italian, Spanish , German, Portuguese, Arabic ...) and DN4 score to screen for neuropathic pain - A prescription guide with the main characteristics of different drugs used to GHPSJ (onset of action, against-indications, dosage, adverse effects ...) to relieve nociceptive pain and ne