Some interdisciplinary sub-specialties of medicine include:

• Addiction medicine deals with the treatment of addiction.
• Medical ethics deals with ethical and moral principles that apply values and judgments to the practice of medicine.
• Biomedical Engineering is a field dealing with the application of engineering principles to medical practice.
• Clinical pharmacology is concerned with how systems of therapeutics interact with patients.
• Conservation medicine studies the relationship between human and animal health, and environmental conditions. Also known as ecological medicine, environmental medicine, or medical geology.
• Disaster medicine deals with medical aspects of emergency preparedness, disaster mitigation and management.
• Diving medicine (or hyperbaric medicine) is the prevention and treatment of diving-related problems.
• Evolutionary medicine is a perspective on medicine derived through applying evolutionary theory.
• Forensic medicine deals with medical questions in legal context, such as determination of the time and cause of death.
• Gender-based medicine studies the biological and physiological differences between the human sexes and how that affects differences in disease.
• Hospice and Palliative Medicine is a relatively modern branch of clinical medicine that deals with pain and symptom relief and emotional support in patients with terminal illnesses including cancer and heart failure.
• Hospital medicine is the general medical care of hospitalized patients. Physicians whose primary professional focus is hospital medicine are called hospitalists in the USA.
• Laser medicine involves the use of lasers in the diagnostics and/or treatment of various conditions.
• Medical humanities includes the humanities (literature, philosophy, ethics, history and religion), social science (anthropology, cultural studies, psychology, sociology), and the arts (literature, theater, film, andvisual arts) and their application to medical education and practice.
• Medical informatics, medical computer science, medical information and eHealth are relatively recent fields that deal with the application of computers and information technology to medicine.
• Nosology is the classification of diseases for various purposes.
• Nosokinetics is the science/subject of measuring and modelling the process of care in health and social care systems.
• Pain management (also called pain medicine, or algiatry) is the medical discipline concerned with the relief of pain.
• Pharmacogenomics is a form of individualized medicine.
• Sexual medicine is concerned with diagnosing, assessing and treating all disorders related to sexuality.
• Sports medicine deals with the treatment and preventive care of athletes, amateur and professional. The team includes specialty physicians and surgeons, athletic trainers, physical therapists, coaches, other personnel, and, of course, the athlete.
• Therapeutics is the field, more commonly referenced in earlier periods of history, of the various remedies that can be used to treat disease and promote health [1].
• Travel medicine or emporiatrics deals with health problems of international travelers or travelers across highly different environments.
• Urgent care focuses on delivery of unscheduled, walk-in care outside of the hospital emergency department for injuries and illnesses that are not severe enough to require care in an emergency department. In some jurisdictions this function is combined with the emergency room.
• Veterinary medicine; veterinarians apply similar techniques as physicians to the care of animals.
• Wilderness medicine entails the practice of medicine in the wild, where conventional medical facilities may not be available.
• Many other health science fields, e.g. dietetics