Chronic joint pain is a major contributor to disability and reduced quality of life worldwide. Conditions such as osteoarthritis, rheumatoid arthritis, and other musculoskeletal disorders frequently result in persistent pain, stiffness, and impaired functional mobility. Hydrotherapy, also known as aquatic therapy, has emerged as a non-pharmacological intervention that utilizes the physical properties of water to facilitate exercise and rehabilitation. The purpose of this review is to evaluate th