Signs and Symptoms Parasites can live in the intestines for years without causing symptoms.
How long can a parasite live in your body?
Three types of tiny, thread-like worms cause this disease. It's common in the tropics and subtropics. Adult worms can live up to 7 years in a person's lymph system.
Can you have a parasite for 20 years?
They're generally limited to one or two symptomless adult tapeworms, which can live in the intestine for up to 30 years. In rare and severe cases, though, larval infections can migrate outside the intestine, even reaching the brain or central nervous system.
What happens if you have parasites for a long time?
The symptoms may be mild and non-specific, including nausea, diarrhea, constipation, and abdominal pain. Untreated tapeworms can live for years, and can lead to malnutrition. Long-term complications could include headaches, blindness, and seizures.
Can worms live in your body for years?
The microfilariae can live up to one year in the human body. If they are not consumed in a blood meal by a deerfly they will die. Adult worms may live up to 17 years in the human body and can continue to make new microfilariae for much of this time.
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