Hello I appreciate your concern Looking at your history of itching and crawling sensation, this could be Fissure in Anus or parasitic or worm infestation I would advise you to follow these guidelines Try to avoid constipation by taking liquid paraffin or other stool softening agent Have plenty of dietary fibres Lots of fluids You can apply local anaesthetic ointment like lignocaine Sitz bath twice daily If you can provide me more information about your problem , I will be able to help you better like your age or complete medical history any issue with motion or constipation? Hope this answers your question please feel free to ask for more clarification I will be a happy to help you Best wishes