Pearl rash is not a health concern and does not require the use of medication. Some medications such as tincture of onychomycetin are corrosive and can remove pearl rash, but will cause localized skin eruptions.
Pearl rash refers to the male coronal groove distribution of corn grain size granular neoplasm, may be caused by local inflammatory stimulation, no obvious effect on health. The use of some drugs, you can remove the pearl rash, such as tincture of onychomycosis, but these drugs have strong corrosive properties, may damage the skin of the glans area.
If you feel that the pearl rash is aesthetic, you can go to the hospital dermatology department to use liquid nitrogen freezing, carbon dioxide laser, electrocautery, microwave and other physical methods to remove. The drugs mentioned above need to be used under the guidance of a doctor.