Around 50 years old, perianal itching may be caused by eczema, hemorrhoids, allergies, etc. It can be treated with hydrocortisone, Ma Yinglong Musk Hemorrhoid Cream, Dexamethasone Cream, etc. 1. Eczema: due to chronic inflammation caused by itchy skin disease, you can use glucocorticoid cream, such as hydrocortisone, dexamethasone cream, halometasone cream and so on. 2. Hemorrhoids: due to congestion and enlargement of the veins in the anal canal or lower rectum, you can use lidocaine cream to relieve pain, hydrocortisone cream to relieve itching, and Ma Yinglong musk hemorrhoid cream to treat hemorrhoids. 3. Allergy: due to allergies caused by perianal itching, you can use antihistamines for treatment, such as dexamethasone cream, zinc oxide ointment, etc. for treatment. Itchy perianal should be clear in time to cause the cause of itching, choose the appropriate drugs for treatment, the use of medication please follow the doctor’s instructions.