The term "water-doctor" refers to a person who specializes in the treatment of water-related illnesses. Synonyms for this term include "hydrotherapist", "aquamedic", "aquatherapist", or "hydropathist". These specialists use various water-based therapies, including hydrotherapy, aqua aerobics, and water massage, to diagnose and treat medical conditions. Water-doctors can create customized treatment plans for patients that involve using water temperature, pressure, and even sound to alleviate symptoms and promote overall health. They often work in hospital settings, spas, or wellness centers. Whether you refer to them as a water-doctor or any of their synonyms listed above, their expertise in water-based therapies can aid in the treatment of various medical conditions.