According to your query you want to know about the disease and cause and it's best Treatment as you have mentioned as above as query about swelling on face .
Please take consultation for better evaluation and best Treatment as it need complete history of patient as personal and family history.
Next Steps
Please take any medicine after consultation from a good doctor.
Health Tips
Please follow good life style as
• take plenty of fluid and
• take less spicy and fatty foods and
• take home made food only and
do exercise regularly with yoga and meditation and
please keep positive attitude to fight any disease and any problem of your life.