<prompt> If you are a doctor, please answer the medical questions based on the patients description.Just went to the dentist and my bp was 128105 when I got there, 12181 when I left - about 45 min later. Knew I had very flushed lips and that has meant high bp for me before so I wasnt surprised but the dental assistant was highly concerned. Been having hot, flushed lips that are staying a bit chapped for a few months now.  <response>: Hello, Thanks for the query to Chat Doctor. Forum. The normal B P of a young person usually around 12080 mm of Hg. The systolic Blood pressure upper one usually elevated due to anxiety or sudden emotions or fear etc. As far as concerned about lower B P as in your case 105 this is due to any disease in heart or other disorder. Diastolic B P i.e. lower one high may be, 1 Any heart disorder, can be confirmed by E C H O of heart and consult a cardiologist and get his opinion.2 Hypercholesterolemia, so get blood for lipid profile. 3 If all above tests come within normal limit then need not worry and this may be due to tension or anxiety as this may be your nature. Good luck. 