When you ingest food or water contaminated with tapeworm eggs or larvae, you may contract a tapeworm infection. The larvae can grow into adult tapeworms in your intestines. Certain types of tapeworm larvae can travel outside your intestines and create larval cysts in your body's tissues and organs, leading to serious complications.
Many people with intestinal tapeworm infections don't experience any symptoms and don't even realize they have it. When symptoms do occur, they can include nausea, vomiting, diarrhea, abdominal pain, intestinal inflammation, weight loss, appetite changes, and malnutrition from inadequate absorption of nutrients. Intestinal tapeworms can also leave infected individuals feeling generally weak, dizzy, and fatigued. You may see parts of the tapeworm in your stool. In severe cases, intestinal tapeworm infections can cause seizures and B12 deficiency.
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