What is the cause of bulging veins around the anus when the child has a bowel movement?

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Hello doctor,
My baby is 32 months old. More than 1 month ago, the baby showed signs of external hemorrhoids as far as I learned. When the baby has a bowel movement, the veins around the anus are bulging, which is normally invisible. Baby goes out a little apple. Children rarely eat vegetables and refuse to eat fruits. So the doctor asked me what is the cause of the bulging veins around the anus when the child has a bowel movement? Should I give my baby surgery? I would like to thank you.
Nguyen Thi Mai (1987)
Answer
Answered by Associate Professor, Master Bui Duc Hau - Pediatrician - Pediatric Center, Vinmec Times City International Hospital.
Hello,
With the question “What is the cause of the bulging veins around the anus when defecating? , the doctor would like to answer as follows:
Varicose veins of the anus in children are also rare, the disease usually does not cause bloody stools like in adult hemorrhoids, the disease can be dilated at an angle or may also be affected by the circumference of the anal margin. When the disease is new, it is often only seen that the varicose veins of the anal margin swell up during defecation and then collapse as usual after defecation, the disease progresses day by day, the varicose veins may not shrink. and often persists and enlarges if left untreated. When varicose veins are enlarged for a long time, there is a risk of infection and bleeding.
Causes of the disease are many, in which it is more common in children with apple defecation combined with factors (possibly due to congenital) weak anal vein wall, so it is easy to dilate.
Varicose veins of the anal margin are not dangerous but the treatment problem is difficult because so far there is no effective treatment method. Therefore, you should take your child to the doctor early for advice, if detected early, usually only need care without surgery.
If you still have questions about your child's bulging veins around the anus during defecation, you can go to the hospital of Vinmec Health System for further examination and advice. Thank you for trusting and sending questions to Vinmec. Wishing you lots of health.
Best regards!