Images can get your feet itchy
If you do feel like you need to scratch yourself, it may have nothing to do with a phobia. Fungi, for example, can cause itchiness too. The funny thing is that some images of fungi colonies can also cause trypophobia. Yet, I don’t know if the feeling of disgust I’m feeling right now is due to trypophobia.
Even though those organisms grow in a rock, they resemble a toe with very sick skin. I checked my feet after looking at that photograph, and they are fine, by the way; you might want to check yours. I think this photo is getting to me.