Medical Developments International Limited manufactures and distributes pharmaceutical and veterinary products, and medical devices. The company operates through three segments: Pharmaceuticals, Medical Devices, and Veterinary Products. It offers asthma and COPD pressurized metered dose inhalers, as well as masks and peak flow meters for asthma management for use in home or in hospitals; Penthrox, a prescription only medicine for pain relief; medical devices; and various veterinary anesthetic machines to veterinarians. The company operates in Australia, New Zealand, the United Kingdom, rest of Europe, Canada, the Middle East, Asia, South Africa, North America, and internationally. Medical Developments International Limited was incorporated in 2003 and is headquartered in Scoresby, Australia.