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Threadworms can cause intense itching around the anus and vagina, and continual scratching can cause your skin to become inflamed. In rare cases, if the skin is broken, bacteria can enter the wound, leading to another infection. See your GP, or call NHS Direct on 0845 4647, for further advice if you think that you may have another infection.
A threadworm infection outside of the intestine is very rare, but has been known to occur in:
- the vagina,
- the uterus (womb),
- the pelvic peritoneum (lining on the inside of the abdomen),
- the abdominal cavity (stomach area),
- the liver, and
- the lungs.
Re-infection
Re-infection is common if threadworm is left untreated. It is possible that it will become a persistent (ongoing) problem. If this happens, it can lead to more serious problems including:
- insomnia (difficulty getting to sleep, or staying asleep),
- bed wetting (enuresis), and
- weight loss.
Important Notice
The information provided on this website (including any NHS Choices medical information) is for use as information or for educational purposes only and is not a substitute for professional medical care by a qualified doctor or other qualified healthcare professional. We do not warrant that any information included within this site will meet your health or medical requirements. This Embarrassing Bodies site does not provide any medical or diagnostic services so you should always check with a health professional if you have any concerns about your health.
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