It may be related to pinworms or perianal eczema, you should seek medical attention to identify the cause of the disease and then treatment.
1. Pinworms: If the pinworms caused by anal itching, the main treatment for drug pinworm treatment, commonly used drugs such as albendazole, but only with drug treatment is not easy to carry out a radical cure, the need to take comprehensive preventive and curative measures, such as pay attention to personal hygiene, disinfection of pollutants in a timely manner, fruits and vegetables to pay attention to cleaning, and so on.
2. Perianal eczema: If it is caused by perianal eczema, most of the symptomatic treatment, the doctor will be based on the severity of perianal eczema, given topical or oral medication, commonly used topical drugs such as trimethoprim, commonly used drugs have histamine anti-allergy drugs, such as loratadine.
If the combination of infection, you also need to apply local erythromycin ointment, mupirocin ointment, etc., or take antibiotic drugs, such as cefoperazone, metronidazole, etc. for anti-infection treatment.
Therefore, when the perianal white itching, there may be other disease etiology, should be timely medical diagnosis, and under the guidance of the doctor to choose the appropriate drugs for treatment.