Roundworms can live inside the small intestine for up to 2 years. The worms are about as thick as a pencil. They can grow to be about 13 inches long. They reproduce very quickly. Female roundworms may lay more than 200,000 eggs a day.
Do roundworms go away on their own in humans?
Many people recover from ascariasis with minimal treatment. Symptoms may go away even before all the worms are gone. However, ascariasis can cause complications when there are large infestations. If you think you've been infected with roundworms, be sure to see your doctor.
How long does it take for roundworms to hatch in humans?
When roundworm eggs are swallowed, they move into the first section of the small intestine, known as the duodenum. After one to two weeks, the eggs will hatch into larvae and move through the wall of your intestine into your bloodstream, where they reach your lungs.
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