Used to treat intestinal worms (especially roundworms and threadworms) and the symptoms associated with parasitic infections. it is commonly indicated in cases of irritability, grinding of teeth, and itching around the anus, which are typical signs of worm infestations in children. cina is also used for digestive disturbances, such as abdominal pain, nausea, and vomiting, often accompanied by a distended belly and frequent urge to pass stools.