What should I do if my face is itchy and swollen with allergies and small bumps?

Allergies on the face appear itchy, swollen, and there are small bumps, may be contact dermatitis, in the treatment of the first to avoid the suspected allergens or irritants, can be used under the guidance of the doctor anti-allergy, anti-itching drugs treatment.
1. Daily care: keep the facial skin clean and dry, avoid scratching and stimulation, avoid using skin care products or masks that may cause allergies.
2. Medication: Glucocorticoid drugs such as dexamethasone ointment and hydrocortisone butyrate ointment can be used externally under doctor’s guidance, or calcium-modulated phosphatase inhibitors such as tacrolimus and pimecrolimus can be used externally. When the itching is significant, it can be combined with oral anti-allergy drugs, such as loratadine, cetirizine and so on.
For the phenomenon of facial skin allergies, it is necessary to consult a doctor in time and use reasonable medication under the guidance of the doctor.