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Published on: 7/10/2026

Skin Tags: Why They Form and When Doctors Recommend Removal

Skin tags are small, benign skin growths that commonly develop in areas where skin rubs against skin or clothing. Common causes and risk factors include friction, genetics, hormonal changes, obesity, insulin resistance, and HPV infection. Doctors generally recommend removal when a skin tag changes in appearance, bleeds, becomes irritated or painful, or for cosmetic or diagnostic reasons.

Because skin tags can sometimes resemble other skin conditions—and underlying issues like insulin resistance may contribute to their development—it's worth understanding what's really going on with your body. Take a free, instant, online symptom check to get personalized insights based on your specific concerns and confidently navigate your next steps.

Reviewed for medical accuracy: 06/18/2026

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Explanation

Skin Tags: Why They Form and When Doctors Recommend Removal

Skin tags are small, soft, benign skin growths that hang off the skin by a thin stalk. Medically known as acrochordons, they most often appear on areas of the body where skin rubs against skin or clothing. While harmless, they can sometimes become irritated or cause cosmetic concerns. Understanding the skin tags causes and knowing when to seek removal can help you manage them effectively.

What Are Skin Tags?

  • Soft, flesh-colored or slightly darker growths
  • Usually a few millimeters to a few centimeters in size
  • Often found on the neck, underarms, groin, eyelids, or under the breasts
  • Non-cancerous (benign) and generally painless

Though they may look troubling, skin tags are not dangerous. They rarely pose health risks but can become irritated by friction or jewelry.

Skin Tags Causes

The exact mechanism behind skin tag formation isn't fully understood, but several factors are strongly associated with their development:

  • Friction and Skin-to-Skin Contact:
    Skin rubbing against skin (e.g., underarms, inner thighs) or clothing can create tiny tears in the skin, leading to small growths.

  • Genetics:
    A family history of skin tags increases your likelihood of developing them.

  • Age:
    Most skin tags appear in middle age (40s to 60s), though they can occur at any adult age.

  • Hormonal Changes:
    Pregnancy, menopause, and other hormonal shifts may trigger growth due to changes in skin sensitivity and connective tissue.

  • Insulin Resistance and Diabetes:
    Studies show a higher prevalence of skin tags among people with insulin resistance or type 2 diabetes, suggesting a link between elevated blood sugar levels and skin tag formation.

  • Obesity and Overweight:
    Increased body weight intensifies skin folds and friction, creating prime conditions for skin tags.

  • Human Papillomavirus (HPV):
    Some research has found HPV DNA in skin tag tissues, indicating a possible viral involvement in some cases.

Understanding these skin tags causes can help you reduce risk factors, such as minimizing skin friction and managing weight or blood sugar levels.

When to Consider Medical Advice

While skin tags are benign, certain signs mean you should consult a healthcare professional:

  • Rapid Growth or Change in Appearance:
    If a skin tag suddenly grows, changes color, bleeds, or becomes painful, it's important to have it evaluated.

  • Frequent Irritation or Bleeding:
    Tags in high-friction areas (e.g., under bra straps, around the waistband) can rub, catch on jewelry, or bleed.

  • Multiple New Growths:
    A sudden outbreak of dozens of new skin tags may signal an underlying health condition, such as insulin resistance.

  • Uncertain Diagnosis:
    If you're not sure whether a bump is a skin tag, mole, wart, or something else, professional assessment provides clarity.

If you're experiencing any unusual skin growths and want to understand what might be causing them before your doctor's visit, you can check your symptoms with Ubie's free AI-powered tool to receive personalized health insights in just a few minutes.

Why Doctors Recommend Removal

Doctors typically recommend removing skin tags for one or more of the following reasons:

  • Discomfort and Irritation:
    Tags that catch on clothing, jewelry, or skin folds can become sore or bleed.

  • Cosmetic Concerns:
    Many people choose removal for aesthetic reasons, especially when tags appear on visible areas like the face or neck.

  • Diagnostic Confirmation:
    If there's any doubt about the nature of a growth, removal allows for a biopsy to rule out malignancy.

  • Prevention of Re-Irritation:
    Removing tags in areas prone to friction can prevent repeated injury and potential infection.

Safe Removal Methods

Skin tag removal should always be performed by a qualified healthcare provider. Common methods include:

  • Cryotherapy (Freezing):
    Liquid nitrogen is applied to the tag, causing it to freeze and fall off within days.
    • Pros: Quick, minimal bleeding
    • Cons: Temporary skin discoloration in some individuals

  • Excision (Cutting):
    A scalpel or surgical scissors are used to cut the tag off at its base.
    • Pros: Immediate removal, tissue available for biopsy
    • Cons: Minor bleeding, requires sterile technique

  • Electrocautery (Burning):
    An electric current burns the tag off, sealing blood vessels as it goes.
    • Pros: Effective hemostasis, quick
    • Cons: Small risk of scarring

  • Ligation (Tying Off):
    A small band is tied around the base of the tag to cut off blood flow, causing it to wither and fall off over time.
    • Pros: Non-invasive, no instruments needed
    • Cons: Slow process, risk of irritation

Your doctor will recommend the best option based on tag size, location, patient health status, and personal preference.

What to Expect During and After Removal

  • During the Procedure:
    Most methods take only a few minutes. Local anesthesia may be used for larger or sensitive tags.

  • Aftercare Tips:
    • Keep the area clean and dry.
    • Apply an over-the-counter antibiotic ointment if recommended.
    • Avoid picking at the site to prevent infection or scarring.
    • Watch for signs of infection (redness, increased pain, swelling, discharge).

  • Healing Time:
    Typically 1–3 weeks, depending on the removal method and individual healing capacity.

Preventing New Skin Tags

While you can't eliminate all risk factors, these steps may help reduce the number of new tags:

  • Minimize skin friction by wearing loose-fitting clothing
  • Maintain a healthy weight through balanced diet and exercise
  • Keep blood sugar levels in check if you have insulin resistance or diabetes
  • Practice good skin hygiene to reduce bacterial or viral exposure
  • Monitor hormonal health, especially during pregnancy or menopause

When to Seek Urgent Care

Rarely, a skin growth may signal something more serious. Seek immediate medical attention if you experience:

  • Rapid change in size, shape, or color of a skin growth
  • Persistent bleeding that won't stop
  • Signs of infection (fever, redness spreading around the site, pus)
  • Severe pain unrelieved by over-the-counter pain relief

Always err on the side of caution. If you're ever in doubt about a skin growth, speak to a doctor as soon as possible.


Skin tags are common and usually harmless. Knowing the skin tags causes and removal options empowers you to make informed decisions. If you notice any concerning changes or have questions about your skin health, don't wait—use Ubie's free symptom checker to get clarity on your symptoms and decide whether you should see a doctor. Your health and peace of mind are worth it.

(References)

  • * Schwartz RA, Janniger CK, Schwartz J. Acrochordons and their associations. *Clin Dermatol.* 2013 Nov-Dec;31(6):759-66. doi: 10.1016/j.clindermatol.2013.08.014. PMID: 24204901.

  • * Rai R, Puri N. Skin Tags (Acrochordons): A Clinician's Perspective. *Indian J Dermatol.* 2015 May-Jun;60(3):289-92. doi: 10.4103/0019-5154.156361. PMID: 26056345.

  • * Shams N, Bano A, Jamil S, Farman S. Acrochordon (skin tag) formation is associated with insulin resistance and metabolic syndrome: a review. *J Pak Med Assoc.* 2021 Jul;71(7):1938-1941. doi: 10.47391/JPMA.1118. PMID: 34336183.

  • * Shukla P, Singh S, Agrawal V, Singh S, Yadav P. Treatments for Acrochordons. *Cureus.* 2022 Dec 1;14(12):e32049. doi: 10.7759/cureus.32049. PMID: 36622359; PMCID: PMC9801824.

  • * Al-Zoubi H, Jaber S, Al-Quraan R, Khader Y. Clinical Management of Skin Tags. *Cureus.* 2023 Jun 25;15(6):e40938. doi: 10.7759/cureus.40938. PMID: 37409543; PMCID: PMC10368140.

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