Taeniasis

**Semantic type:** Disease or Syndrome

**Definition:** A parasitic infection caused by tapeworms of the genus Taenia. Humans are infected by eating undercooked or raw meat of infected animals. It is usually an asymptomatic infection and patients may become aware of the infection by noticing segments of the tapeworm in their feces. If symptoms are present, they include nausea, abdominal pain, indigestion, constipation, or diarrhea.