Used to treat parasitic infections, particularly intestinal worms or tapeworms. it is believed to have anthelmintic properties, helping to expel these parasites from the body. additionally, filix mas may be indicated for digestive issues, especially when there are symptoms like bloating, abdominal pain, or nausea caused by parasitic infestations. this remedy is also used for its action on the liver and gallbladder, assisting in conditions related to poor bile flow or liver congestion.