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The Daily Insight

Can a seborrheic keratosis bleed?

Author

Olivia Shea

Updated on February 28, 2026

Seborrheic keratoses can itch, bleed easily, or become red and irritated when clothing rubs them. How the growths look can vary widely. They: Range in size from tiny to larger than 1 in.

What causes inflamed seborrheic keratosis?

Seborrheic keratoses are caused by a build-up of skin cells in your epidermis (the top layer of your skin), including cells called keratinocytes. Older cells typically get replaced by newer cells when they flake off. Sometimes the keratinocytes in this layer grow faster than normal, resulting in a keratosis.

Can seborrheic keratosis fall off?

Unlike moles, seborrheic keratoses grow on the surface of the skin, and because of this they are often loosely attached and at times can fall off, especially if traumatized. Many patients call seborrheic keratoses moles, but they are very different from common moles (melanocytic nevi).

Is seborrheic keratosis precancerous?

Seborrheic keratoses are harmless skin growths that often appear as the skin ages. Some people have just one, but it is common to develop several. Seborrheic keratosis is not a risk factor for skin cancer or a form of precancer.

Should I worry about seborrheic keratosis?

For the most part, you don’t have to worry about your seborrheic keratosis. However, you should see your healthcare provider if you notice: You have a new, unidentified growth. It’s itching, irritated or bleeding.

Can I scrub off seborrheic keratosis?

Exfoliation. After soaking the seborrhoeic keratosis (in a bath or swimming), gently rub it with a rough object such as an exfoliating glove, pumice stone, emery board or even fine sandpaper. This treatment may need to be repeated several times, but tends to give a good cosmetic result.

Do seborrheic keratosis have roots?

Because seborrheic keratoses do not develop deep roots, removal is easy and does not usually leave scars. To remove the seborrheic keratosis, your doctor can: Freeze the growth with liquid nitrogen. Scrape the area with curettage.

Can seborrheic keratosis be mistaken for melanoma?

Seborrheic keratoses («sebaceous warts») and pigmented naevi (moles) are particularly easy to confuse with malignant melanoma.

Can HPV cause seborrheic keratosis?

HPV cannot be found in a minority of genital SKs using highly sensitive techniques, and therefore, other presently unknown factors may also be implied in the pathogenesis of these lesions.

How can I get rid of seborrheic keratosis?

Cryosurgery method. This is happens to be a very simple surgical method and involves application of a very cold treatment therapy to the skin condition.

  • Curettage method. The method involves using some spoon-shaped instrument to scrap off the growth.
  • Hydrogen peroxide treatment method.
  • What are the signs and symptoms of seborrheic keratosis?

    Symptoms. A seborrheic keratosis usually looks like a waxy or wart-like growth. It typically appears on the face, chest, shoulders or back of the body. You may develop a single growth or cluster of them. A seborrheic keratosis: Varies in color, usually from light tan to brown or black.

    Is thee anything I can do for seborrheic keratosis?

    In many cases, a seborrheic keratosis doesn’t need treatment. However, your doctor may decide to remove any growths that have a suspicious appearance or cause physical or emotional discomfort. Three commonly used removal methods are: Cryosurgery, which uses liquid nitrogen to freeze off the growth.

    What if my seborrheic keratosis starts to grow?

    In a situation where, one applies some remedies and the seborrheic keratosis starts to grow, it is best to discontinue treatment and seek the advice of a doctor. Reports have not been made on seborrheic keratosis becoming bigger as a result of common ways or methods of treatment. When such problems occur, do not hesitate to see a dermatologist.