Connect with others who understand.

  •   Learn from expert-reviewed resources
  •   Real advice from people who’ve been there
  •   People who understand what you’re going through
Sign Up Log In
All Resources Treatments A-Z Personal Assistant Help Center Crisis
Powered By
Real members of MyPsoriasisTeam have posted questions and answers that support our community guidelines, and should not be taken as medical advice. Looking for the latest medically reviewed content by doctors and experts? Visit our resource section.

I’ve noticed when I accidentally cut myself my psoriasis flares up, and recently getting my blood test, is this common ??

A MyPsoriasisTeam Member asked a question 💭
June 3
 · 
Be the first to react
MyPsoriasisTeam

Yes, this is absolutely a real and recognized phenomenon! What you're experiencing is called the Koebner phenomenon — and you're definitely not alone in this.

It happens when skin injuries, even minor ones like cuts, scrapes, needle pricks (hello, blood tests!), or bug bites, trigger new psoriasis plaques to form at the Show Full Answer

Yes, this is absolutely a real and recognized phenomenon! What you're experiencing is called the Koebner phenomenon — and you're definitely not alone in this.

It happens when skin injuries, even minor ones like cuts, scrapes, needle pricks (hello, blood tests!), or bug bites, trigger new psoriasis plaques to form at the injury site. As one MyPsoriasisTeam member described it: *"I have Koebner's, and when I get cut or one of my joints is hurting... bam! I get psoriasis in that spot every time."*

Flares from the Koebner phenomenon typically appear 10 to 20 days after the injury occurs. Not everyone with psoriasis experiences this — some never do, while others react to even the tiniest skin trauma. It's worth mentioning this pattern to your dermatologist, especially before any planned procedures. They may have helpful strategies to minimize the risk of triggering a flare.

June 3
A MyPsoriasisTeam Member

I’ve come across a similar case before where someone with very similar symptoms (hands/nails/skin involvement) tried a specific approach and noticed meaningful improvement over time.

I can’t say it works for everyone, but the pattern of results was interesting enough that I think it might be worth discussing. If you want, I can share what they did and what seemed to help in their case.

June 8
A MyPsoriasisTeam Member

But it flares up all over my body not just at the spot where I was cut

June 3

Related Questions

View All
How I’ve Become My Healthiest Self With Psoriasis
All the Home Remedies I’ve Stopped Using for My Psoriasis
Dressing for My Psoriasis