The bruised area is particularly itchy after a fall, which may be caused by local nerve damage, or bruising induced inflammation, drug allergy caused by itching. Can be adjusted through general treatment, drug treatment and other measures. 1. Local nerve damage: you can take glutamine tablets, methylcobalamin tablets, vitamin B12 tablets and other drugs, nutritional nerve adjuvant therapy. 2. Inflammation induced by bruising: cold compresses can be applied within 48 hours, and hot compresses can be applied for more than 48 hours, waiting for the gradual absorption of bruising. 3. Allergy to therapeutic drugs: you can use topical glycerite lotion to relieve the symptoms of itching, or oral loratadine, chlorpheniramine maleate and other antihistamine drugs for treatment. The place where the fall bruise is particularly itchy, it is recommended to go to the hospital for examination first, and follow the doctor’s instructions for medication.