11/02/2026
Remember that little skin tag you’ve always had? What if one day it suddenly changed – perhaps becoming red, sore, or even painful? Your first thought might be, "Oh no, it must be infected!" It's a natural assumption, but what if we told you that what looks like an infection might actually be something else entirely?
It’s incredibly common for people to misinterpret changes in their skin tags. You might experience a bit of redness and soreness after a day of friction from your favourite necklace or a tight shirt. This is often just irritation, a temporary reaction that usually resolves on its own. While uncomfortable, it’s generally not a cause for serious alarm.
However, a true infection is a different story, and it stems from a breach in the skin tag's surface. This can happen if it’s been repeatedly rubbed, scratched, or twisted, allowing bacteria to enter and cause significant inflammation. If you're dealing with an actual infection, you're likely to experience persistent pain, increasing redness, swelling, noticeable warmth, or even some discharge. These symptoms indicate a bacterial involvement that needs attention beyond simply avoiding friction.
To complicate matters further, some skin tags, especially those with a narrow stalk, can twist upon themselves. This cuts off their blood supply, leading to sudden, sharp pain, a dramatic darkening of the skin tag, and considerable inflammation. This condition, known as torsion, can look remarkably similar to an infection and can be quite distressing, but its management differs significantly.
Trying to self-diagnose these nuanced conditions can lead to unnecessary worry or, worse, improper care. That’s why a precise clinical assessment is so important. At the City Dermatology Clinic London, our experts specialise in accurately distinguishing between irritation, torsion, infection, and other dermatological conditions that might resemble a skin tag issue. Our goal is to provide you with the correct diagnosis and the peace of mind that comes with professional insight.
