Teprenone is primarily used in the treatment of gastric ulcers and gastritis. It works by enhancing the mucosal defense mechanisms in the stomach, promoting the secretion of mucus, and increasing blood flow to the gastric mucosa. This helps in the healing of ulcers and reduces inflammation in the stomach lining. It is often prescribed for patients with chronic gastritis or those at risk of developing gastric ulcers due to stress or prolonged use of nonsteroidal anti-inflammatory drugs (NSAIDs). Additionally, teprenone is sometimes used in combination with other medications to improve overall gastrointestinal health and prevent the recurrence of ulcers.