Itchy bumps on the face after vaccination may be due to an allergy to certain components of the vaccine, resulting in hives or atopic dermatitis. This can be treated with medication. 1. Urticaria: There are many causes of urticaria, and people with allergies are prone to urticaria after receiving the vaccine, which mainly manifests itself as itchy bumps on the face. You can use loratadine for treatment, which can selectively antagonize the peripheral H1 receptor, and can alleviate the symptoms caused by allergic reactions, thus relieving the symptoms of itchy bumps on the face after the new crown vaccine. 2. Allergic dermatitis: Allergic dermatitis is one of the common dermatological diseases, if you are allergic to the new crown vaccine, it is easy to cause allergic dermatitis after the vaccine injection, and the symptoms of itchy bumps on the face. You can use chlorpheniramine maleate for treatment, so it can antagonize histamine-induced capillary dilatation, thereby reducing capillary permeability, with an anti-allergic effect, thereby relieving the symptoms of itchy bumps on the face after the new crown vaccine. If the patient after the new crown vaccine itchy bumps on the face, it is recommended to go to the hospital in time to find out the cause of the disease after targeted treatment.