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What Causes Pruritus Ani?

Posted on Thu, 17 Jul 2014

Question: hi , i'm writing this query because of pin worms. around 3 weeks ago , i first noticed them , took 100 mg mebendazole for 3 days , 2 times a day. and then again took the second course two weeks later.
so its been a week since the second course,but i can still feel peri anal pruritis, although worms in the stools are absent now.but i've recently started feeling some thing wriggling inside my ear, can this be extra intestinal manifestation of pin worms, i'm really worried as what could be this attributed to ? and what should i do for itching. kindly help.

Answered by Dr. Dr.P.Ratnakar Kini (1 hour later)

Brief Answer:
Answer given below

Detailed Answer:
Hi,
Thanks for posting your query.
I am Dr.R.K and I am pleased to assist you.

First of all I would like to tell you that pin worm infestation is not the only cause of pruritus ani. They are many other causes as well.
Try to avoid coffee, chocolates and beer as these are the common culprits.
After bowel movements while washing do not rub vigorously.
Sometimes skin problems around the anus can also cause similar symptoms.

Since you have completed the course of mebendazole and you no longer see pin worms, your symptoms are not due to pin worms.

Follow the advice given above and take T.cetrizine at night for relief.

I hope that answers your question.
Let me know if I can assist you further.
Regards,
Dr.R.K.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar

Follow up: Dr. Dr.P.Ratnakar Kini (12 minutes later)

thanks for your reply but its the same feeling of crawling something in the anal area intermittenty many times a day that started 3 weeks ago only with these pin worms in my stools, and what about feeling of some wriggling in the ear, that has started recently.

Answered by Dr. Dr.P.Ratnakar Kini (7 minutes later)

Brief Answer:
Answer given below

Detailed Answer:
Hi,
Now that you have completed the course of medications, it is unlikely to be due to pin worms. You can follow the advise I have given in my previous post.

Get your ears examined for wax - the most common cause of the symptom you have mentioned.

I hope that answers your question.
Let me know if I can assist you further.
Regards,
Dr.R.K.

Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar

Follow up: Dr. Dr.P.Ratnakar Kini (11 minutes later)

okay thanks doc

this really helps , having pinworms is kind of really distressing
i will follow what you have suggested but should i go with a 3rd course if some how relapse happens. should i go with mebez or can i take some other medicine too.

Answered by Dr. Dr.P.Ratnakar Kini (14 minutes later)

Brief Answer:
No need for a third course

Detailed Answer:
Hi,
No need for a third course. If relapse occurs start a fresh course.
But I would suggest that everyone at home be treated simultaneously.

I hope that answers your question.
Let me know if I can assist you further.
Regards,
Dr.R.K.

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Above answer was peer-reviewed by : Dr. Chakravarthy Mazumdar