There is no such thing as a quick fix for yam allergy, but you can generally relieve the symptoms by washing the affected area, applying cold compresses, and medication. 1. Wash the affected area: yam allergy can use flowing water to rinse the allergic area, avoid using warm or hot water, to prevent aggravating allergy symptoms. 2. Cold compresses: you can apply cold compresses in time, such as using a towel to wrap up the ice bag and then apply ice to the allergic area, which can relieve the itching. 3. medication: you can use anti-allergy ointment under the guidance of a doctor, such as hydrocortisone butyrate cream, coated in the affected area and gently massaged until absorbed, to alleviate the itching symptoms, if the allergy is more serious, but also under the guidance of a doctor to take oral anti-allergy medication, such as loratadine tablets or cetirizine, and so on. It is recommended to do yam with attention to protection, if it is allergic to eat yam, need to avoid eating yam to prevent allergies. If the symptoms are serious, it is recommended to go to the hospital in time and choose the appropriate treatment under the guidance of the doctor.