It is important to find out the cause of this persistent itching.
Possible causes of anal itching can be:
Irritants. Fecal incontinence and long-term (chronic) diarrhea can irritate the skin. Or your skin care routine may include products or behaviors that irritate the skin, such as using harsh soaps or moist wipes and washing too aggressively.
Infections Including sexually transmitted infections, pinworms, and yeast infections.Sometimes anal itching is the result of a specific skin condition, such as psoriasis or contact dermatitis.
Other medical conditions like
diabetes,
thyroid disease, hemorrhoids, anal tumors.
Next Steps
Go to a registered doctor to get proper treatment. You can also try homoeopathy to get permanent cure from this problem without any side effects.