Conversation: The conversation between human and AI assistant.
[|Human|] My 22 year old son has a puffy bottom lip. as far as we know he has no allergies. I gave him a couple benadriyl. do you have any idea what might be causing it. this is the second time this has happened. as far as he knows he didn t eat anything different today
[|AI|]  HI THANKS FOR POSTING YOUR QUERY ON Chat Doctor.ISOLATED LOWER LIP SWELLINGS CAN ARISE IN CONDITIONS WITH INFECTION OF ORAL CAVITY LIKE CARIES TOOTH, SORE THROAT, EAR INFECTIONS ETC.ANOTHER RARE BUT MOST IMPORTANT CONDITION THAT HAS TO BE RULED OUT IS HEREDITARY ANGIONEUROTIC EDEMA, .SERUM LEVELS OF C 1 ESTERASE TESTING LEVELS WILL HELP.TREATMENT INCLUDES CORTICOSTEROIDS, ANTIHISTAMINICS, ANTI ALLERGIC LIKE MONTELUKAST.CONSULT YOUR DOCTOR FOR FURTHER QUERIES.THANK YOU.TAKE CARE.