People infected with whipworm can suffer light or heavy infections. People with light infections usually have no symptoms. People with heavy symptoms can experience frequent, painful passage of stool that contains a mixture of mucus, water, and blood. Rectal prolapse can also occur. Children with heavy infections can become severely anemic and growth-retarded.
Trichuriasis can be treated with anthelmintics, including fenbendazole, febantel, mebendazole, dichlorvos and butamisole. Milbemycin oxime or a combination of diethylcarbamazine and oxibendazole, used as a heartworm preventative, are effective in dogs. Hygromycin B, as a continuous feed additive, can be used to control T. suis in pigs. Trichuris spp. are treated with anthelmintics, including mebendazole, albendazole and oxantel.