Hi, welcome to the ehealth forum and I am glad to help you.
The skin lesion that you are concerned about on left side of your nose might be acne lesion( inflammatory papule or nodule) or it might be a boil. The other possibilities include facial granuloma and herpes zoster (ophthalmicus).
It is not possible to make a diagnosis online so you must see your dermatologist for definitive diagnosis and management.
Hope this helps. Take care.
Note: This post is not to emphasise final diagnosis as the same cannot be made online and is aimed just to provide medical information and no treatment suggested above be taken without face to face consultation with health care professional.
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