Styes and chalazia are both eyelid lumps caused by blocked oil glands, and they’re easy to confuse — but they behave differently and are treated differently. Here’s how to tell them apart. This page is part of our stye & chalazion treatment guide.
Stye vs. Chalazion at a Glance
| Stye (hordeolum) | Chalazion | |
|---|---|---|
| Pain | Painful, tender | Usually painless |
| Feel | Soft, sometimes with a whitehead | Firm, rubbery nodule |
| Location | Edge of the lid, at the lash line | Set back in the body of the eyelid |
| Onset | Comes on quickly (days) | Develops slowly |
| Cause | Blocked, infected gland | Blocked oil gland, no active infection |
| Timeline | Often clears in about a week | Can last weeks to months |
How to Tell Which One You Have
The quickest tells: a stye is red, painful, and near the lashes and usually appears fast, while a chalazion is a firm, painless bump further back in the lid that develops slowly. A stye often has a small pus head; a chalazion doesn’t. Many chalazia actually begin as a stye that never fully drained.
Hordeolum vs. Chalazion (the medical terms)
“Hordeolum” is simply the medical term for a stye — an acute, infected gland. A chalazion is the chronic, non-infected oil-gland cyst that can follow it. So “hordeolum vs. chalazion” is the same comparison as “stye vs. chalazion”: acute and infected versus chronic and blocked.
Are They Treated Differently?
Both start with warm compresses. A stye usually resolves on its own; a stubborn chalazion may need in-office drainage. But both share the same root cause — dysfunctional eyelid oil glands — which is why IPL and radiofrequency help with both, and are especially important if you keep getting them repeatedly.
When to See a Doctor
See an eye doctor if the bump lasts more than a couple of weeks, keeps coming back, grows, affects your vision, or if you’re not sure what it is — a specialist can confirm the diagnosis and rule out rarer eyelid lumps.
See a Specialist in Southfield, MI
Dr. Shira Kresch diagnoses and treats styes, chalazia, and the eyelid conditions behind them at the 1-800-Dry-Eyes Specialty Vision Institute, serving Southfield and Metro Detroit.
Schedule an appointment → | Call 1-800-DRY-EYES →
Frequently Asked Questions
How do I know if I have a stye or a chalazion? A stye is usually red, painful, and near the lash line and comes on quickly. A chalazion is a firm, painless lump set back in the eyelid that develops slowly. When in doubt, an eye doctor can tell them apart in seconds.
Is a hordeolum the same as a chalazion? No. A hordeolum is the medical term for a stye — an acute, infected gland. A chalazion is a chronic, non-infected blocked oil gland that can develop after a stye.
Can a stye turn into a chalazion? Yes. A stye that doesn’t fully drain can leave behind trapped oil that hardens into a chalazion.