Hi, your anxiety could stem from blister. Your surgeon has mentioned it is normal but you are feeling anxious. It looks like you are feeling anxious about your health. You are anxious about your health to a point of not being able to focus on studies. Do not worry you can consult a psychologist and Counseling sessions will help you. A psychologist will help and guide you with ways to overcome anxiety and feel calm.

Because of blister you become fearful. It is a trigger. You may have anxiety traits. It would be better that you consult a clinical psychologist.

Your anxiety is sprouting out from your blister, ( thinking that it might create some issues). You seem to have constant preoccupation about it. Connect me on practo consult to help you

Probably, You are anxious because you do not want to face again some issues which you had earlier and for which you had undergone a surgery too.. And you had also men, that you are studying.. Perhaps, your Anxiety is connected to your preparation gor your exams without any interruptions again..