How long does pinworms last? The life cycle of a pinworm is 4 to 6 weeks. Without treatment, infestation will continue as long as fresh eggs are being swallowed, unless a person develops immunity to pinworms, which is unusual before age 15.
How long can you leave worms untreated?
The worms will die after 6 weeks so provided you do not swallow any new eggs then no new worms will grow to replace them. Strict attention to hygiene should be sufficient.
Do pinworms ever go away on their own?
Threadworms do not go away by themselves, and people do not build up immunity to them, so they must be treated in order to eradicate them totally from the body.
Can you have pinworms for years and not know?
While the infected person sleeps, female pinworms lay thousands of eggs in the folds of skin surrounding the anus. Most people infected with pinworms have no symptoms, but some people experience anal itching and restless sleep.
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