Medical Developments International Limited manufactures and distributes pharmaceutical drugs, and medical and veterinary equipment. The company operates in 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 homes, pharmacies, hospitals, medical practices, and aged care facilities; Penthrox, a prescription only medicine for pain relief; medical devices; and various veterinary anesthetic machines to veterinarians. The company operates in Australia, New Zealand, Italy, rest of Europe, the United Kingdom, Canada, the Middle East, South Africa, North America, Rest of Asia, and internationally. Medical Developments International Limited is headquartered in Scoresby, Australia.