the first two lines suggest a diagnosis of angioedema
, for which you need to take antihistamines. but be careful - if you have breathing problems or difficulty in swallowing - please visit the emergency immediately. it could be life threatening if you neglect.
but the lips not drying and things getting painful- suggests more of herpes
labialis for which again you need to consult a dermat
have you been on any medications as the similar things could happen in drug reactions