The doctor will first perform a detailed physical examination of the area of blocked pores.
If necessary, the doctor may choose to perform a dermoscopy and a histopathological examination of the skin to clarify the diagnosis.
In addition, for some patients, a general physical examination may be performed to detect the presence of other concomitant diseases such as endocrine system abnormalities, or blood tests to clarify the presence of hormonal abnormalities, for example.