Back-ache is a common condition that affects many people around the world. It is characterized by pain in the back, which can range from mild to severe. There are several synonyms that can be used to describe this condition. Some of the most common ones include back pain, spinal discomfort, lumbar pain, and dorsal agony. Other synonyms for back-ache that are less frequently used include vertebral distress, caudal discomfort, sacral soreness, and thoracic throbbing. Whatever the term used, back-ache can be a challenging condition to deal with, and treatment options vary depending on the severity of the pain and the underlying cause.