The resulting infection causes a stye (or “hordeolum”). Like blepharitis, styes are generally not contagious. A stye should disappear in about seven to 10 days. Treatments include applying a ...

All right, everybody does it. But they really shouldn't. "Styes are contagious." Jenifer Bossert: No! Wong: Not at all. Bossert: Styes are not contagious. Wong: And you don't get them from pools.