Parasitic infection can range from fleas, to bed bugs, to scabies, and worms. Parasites generally live on a host causing the host a number of symptoms such as itching, allergic reactions, and discomfort.
Treatment for parasites include creams and ointments used to eliminate them and treat the symptoms. Common drug classes used to treat parasitic infection are antiparasitics, nitroimidazole antibiotics, and pyrethroids.