Welcome to healthcare magic forum
Thank you for your query.
I understand your concern regarding your skin problem
I am dr Gaurav patel ,dermatologist and will answer your query.
It look like you have some allergic condition or some infection.
In fungal infection
itching is very much and common.
Pus formation indicate bacterial infection.
You need to consult dermatologist
for proper diagnosis and treatment.
You can apply antibiotic cream over the lesion.
I hope I answered your question.
Let me know if you have any further query.