You wake up with a tender lump on your eyelid and immediately wonder: what is that? Eyelid bumps are surprisingly common, and the two most frequent culprits are styes and chalazia. They can look similar at first glance, but they’re different conditions with different causes — and knowing which one you’re dealing with matters for treatment.

Here’s a breakdown of both, how to care for them at home, and when it’s time to call your eye doctor.

What Is a Stye?

A stye (medically called a hordeolum) is a painful, red bump that develops along the edge of the eyelid. It’s essentially a bacterial infection — most often caused by Staphylococcus bacteria — that affects one of the small glands at the base of an eyelash or just inside the eyelid margin.

Styes tend to come on quickly and feel tender to the touch. You might notice swelling, redness, and even some crusting around the affected area. In some cases, the entire eyelid can look puffy. A small, pus-filled center may become visible as the stye matures — similar to a pimple.

They’re more common in people who touch their eyes frequently, wear contact lenses without proper hygiene, or have an underlying condition called blepharitis (chronic eyelid inflammation).

What Is a Chalazion?

A chalazion is a non-infectious cyst that forms when one of the meibomian glands — the oil-secreting glands along the inner edge of the eyelid — becomes blocked. Unlike a stye, a chalazion is usually painless (or only mildly uncomfortable) and tends to develop more slowly.

You’ll typically feel a firm, round lump on the eyelid, often slightly away from the lash line. Chalazia are generally not red or warm unless they become secondarily infected. They can range from barely noticeable to large enough to press on the eye and blur vision.

Interestingly, a stye that doesn’t fully resolve can sometimes turn into a chalazion over time as the infection clears but the blocked gland remains.

Stye vs. Chalazion: Key Differences

• Pain: Styes are typically painful; chalazia are usually painless
• Location: Styes appear at the eyelid margin (near lashes); chalazia form farther back on the lid
• Cause: Styes are bacterial infections; chalazia are blocked glands without active infection
• Onset: Styes develop quickly; chalazia grow more slowly over days to weeks
• Appearance: Styes may have a visible pus point; chalazia feel like a firm lump

 

How to Treat Them at Home

For both styes and chalazia, the most effective at-home treatment is warm compresses. Apply a clean, warm (not hot) cloth to the closed eyelid for 10–15 minutes, three to four times a day. The heat helps soften the blocked material and encourages natural drainage.

A few important dos and don’ts:

• Do keep the area clean and avoid touching or rubbing your eye
• Do remove contact lenses until the bump resolves
• Don’t try to squeeze or pop a stye or chalazion — this can spread infection or worsen inflammation
• Don’t wear eye makeup while the bump is present

Many styes resolve within one to two weeks with consistent warm compress use. Chalazia can take longer — sometimes several weeks to a few months — and are more likely to need professional treatment if they don’t go away on their own.

When to See an Eye Doctor

Home care works well for mild cases, but schedule an appointment if:

• The bump hasn’t improved after two to three weeks of warm compresses
• It’s growing larger or becoming more painful
• Your vision is affected
• The redness or swelling spreads beyond the eyelid
• You’re getting styes repeatedly (this may indicate blepharitis or another underlying issue)
• The bump is very large or causing significant discomfort

In-office treatment options include antibiotic drops or ointments for infected styes, steroid injections to reduce inflammation in a chalazion, or a minor in-office procedure to drain a persistent chalazion. Your eye doctor can also evaluate whether blepharitis or meibomian gland dysfunction is contributing to recurring problems.

Frequently Asked Questions

Q: Are styes contagious?

A: The bacteria that cause styes can spread, so it’s important to wash your hands frequently, avoid sharing towels or pillowcases, and not rub your eyes. The stye itself isn’t contagious in the way a cold is, but good hygiene matters.

Q: Can I wear contacts with a stye or chalazion?

A: It’s best to avoid contact lenses until the bump has fully resolved. Lenses can introduce additional bacteria and irritate the already-inflamed eyelid.

Q: Why do I keep getting styes?

A: Recurring styes are often linked to blepharitis, a chronic condition involving inflammation along the eyelid margins and the oil glands within them. Managing blepharitis — through lid hygiene routines and sometimes in-office treatments — can significantly reduce how often styes occur.

Q: Is a chalazion the same as a cyst?

A: A chalazion is a type of lipogranuloma — a localized inflammatory response to blocked oil — rather than a true cyst. But functionally, it behaves similarly: a firm, enclosed bump that usually needs time (and sometimes treatment) to resolve.

Get Relief at Valley Eyecare Center

An eyelid bump that won’t go away isn’t something you have to just wait out. The team at Valley Eyecare Center can diagnose what’s going on, recommend the right treatment, and help address any underlying causes — like blepharitis or meibomian gland dysfunction — that may be setting you up for repeat problems.

We have two convenient Phoenix locations:

• Northern Ave: 602-242-6888
• 44th Street: 602-955-2700

Or visit valleyeyecareaz.com to request an appointment online.