Adult worms live in the small intestine for 1 to 2 years. They can be as thick as a pencil and can measure from 5 to 14 inches long. A person can have many worms at the same time if many eggs hatch.
Do intestinal worms go away on their own?
Some types of intestinal worms, such as tapeworms, may disappear on their own if you have a strong immune system and healthy diet and lifestyle. However, depending on the type of intestinal worm infection, you may require treatment with an antiparasitic medication.
How long can intestinal worms live outside the body?
Pinworm eggs live up to 2 weeks outside the body on clothing, bedding, toys, toilet seats, or other objects and spread easily. Roundworm (Ascaris lumbricoides):
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.
How long do you have worms before they come out?
Threadworm eggs can survive for up to 2 weeks before hatching. If the eggs hatch around the anus, the newborn worms can re-enter the bowel. Eggs that have been swallowed will hatch inside the intestine. After 2 weeks, the worms reach adult size and begin to reproduce, starting the cycle again.
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