Drowning is defined as respiratory impairment due to submersion in liquid, with an annual incidence of 250,000 to 350,000 cases, predominantly affecting children in India and China. It includes four types (wet, dry, near drowning, immersion syndrome) and can occur in various water bodies, with symptoms like cyanosis and tachycardia. Management involves initial first aid, including airway checks and oxygenation, followed by hospital observation and vital sign monitoring.