Pay a visit to http://medicamentation.com/ingredient/misoprostol/!
"Misoprostol is used in prevention and treatment of post-partum hemorrhage. Cytotec is an orally active drug with duration of action that makes it clinically useful. Misoprostol decreases the amount of acid that comes in contact with it. Cytotec exerts a protective effect on the gastrointestinal mucosa by increasing mucus and bicarbonate ion secretion and by increasing mucosal blood flow."