Worms are parasites which live in the body. They usually live within the gastrointestinal tract and include roundworms, hookworms, tapeworms and threadworms. However, some worms can infect the bloodstream or other tissues of the body. Depending on the type of worm, symptoms may include abdominal pain, nausea, weight loss, diarrhea, loss of appetite, fever/chills, and an itchy rash. Treatment options include medication, herbal therapies, detoxification, Traditional Chinese Medicine, Ayurveda and homoeopathy.