Pain is an unpleasant symptom which generally a warning sign that the body is at risk, overloaded or sick.

Pain can be:

• transient pain e.g., kicking your toe, this is the most common pain in daliy life, which never leads to a doctor.
• acute pain, such as lumbal pain, lasts for weeks. The reason for pain is usually easy to find and treatment is simple (painkillers, physiotherapy, etc.).
• chronic pain, usually lasts longer than 2-6 months. It can be difficult to understand the causes of pain and to reach the achievement of good therapeutic results, which combines of different medications and methods for pain relief.