HomeAnswersDermatologypolymorphic light eruptionsWhat is the new mark on my forehead developed last week?

A new mark developed on my forehead recently. What is it?

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The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

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Published At August 6, 2017
Reviewed AtJuly 11, 2023

Patient's Query

Hello doctor,

I have a new mark on my forehead that has developed over the last week or so. It feels a bit crusty and is somewhat sore. But it does not look like a scab or a mole. What can it be?

Hi,

Welcome to icliniq.com.

Your concern can be the following:

  1. Polymorphic light eruption (PLE).
  2. Seborrhoeic keratosis.

I suggest you try using the following:

  1. Hydrocortisone cream, once daily at bedtime for a week.
  2. Neutrogena sunscreen of SPF 50 during noon.
  3. Avoid direct sunlight between 10:00 AM to 3:00 PM if possible.

If there is a response within a week, then continue the sunscreen and withdraw Hydrocortisone cream. If no response, then consult a dermatologist in-person for further physical examination.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. G. S. S. Sandeep
Dr. G. S. S. Sandeep

Dermatology

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