An eye stye (hordeolum) is a painful, red eyelid bump usually caused by a staph bacterial infection. Learn how to treat external and internal styes safely at home.
Eye Stye (Hordeolum): Causes, Symptoms, and Safe Treatments
An eye stye (hordeolum) is a painful, red bump that forms along the edge of your eyelid. It usually develops when a bacterial infection blocks an oil gland or eyelash follicle. Most styes are harmless, non-contagious, and resolve within 1 to 2 weeks with proper home care.
Internal vs. External Hordeolum
Styes are classified based on where the infection is located on the eyelid.
| Feature | External Hordeolum (Stye) | Internal Hordeolum (Stye) |
| Primary Location | Base of the eyelash line | Underneath the inner eyelid surface |
| Affected Gland | Zeis or Moll sweat glands | Meibomian oil glands |
| Appearance | Resembles a pimple or boil | Swollen, painful bump facing inward |
Stye vs. Chalazion: Do not confuse a stye with a chalazion. A stye is an acute, painful bacterial infection. A chalazion is a painless, chronic lump caused by a blocked, non-infected oil gland.
Common Symptoms of a Stye
Stye symptoms usually start out localized and can progress over a few days. Common signs include:
- Tender, red eyelid bump
- Localized pain and swelling
- Gritty, scratchy eye irritation
- Excessive tearing or watering
- Sensitivity to bright light
- Yellow pus spot at center
Causes and Risk Factors
Roughly 95% of eye styes are triggered by Staphylococcus aureus bacteria. You are at a higher risk of developing them if you have:
- Clogged eyelid oil glands
- Untreated chronic blepharitis
- Poor contact lens hygiene
- Sleeping in eye makeup
- Elevated systemic stress levels
- Underlying rosacea or seborrhea
How to Treat a Stye at Home Safely
Proper home care accelerates healing and relieves pressure safely. Follow these sequential steps:
- Apply warm, moist compresses
- Leave on 10 to 15 minutes
- Repeat four times daily
- Wash lids with baby shampoo
- Pause all eye makeup
- Wear glasses instead of contacts
Critical Warning: Never squeeze the bump. Never attempt to pop it. Doing so can spread the infection deeper into the ocular tissue.
When to See a Doctor
Most styes resolve on their own, but medical intervention is sometimes required. Book an eye exam if you experience:
- No improvement after 48 hours
- Redness spreading across the eyelid
- Vision becomes blurry or blocked
- Extreme pain or worsening pressure
A doctor can prescribe topical antibiotic ointments, steroid drops, or perform a quick, in-office drainage procedure under local anesthesia.
Everyday Prevention Tips
Simple hygiene habits significantly lower your chances of developing recurrent styes:
- Wash hands before touching eyes
- Sanitize contact lenses daily
- Throw away old makeup
- Never share cosmetic tools
- Remove makeup before bed
Frequently Asked Questions (FAQ)
How long does a stye last?
With consistent warm compress therapy, a typical stye will come to a head, drain naturally, and heal completely within 1 to 2 weeks.
Can you pop a stye like a pimple?
No. Squeezing or puncturing a stye is highly dangerous because it can force bacteria into the surrounding eyelid tissue, potentially leading to a severe infection called orbital cellulitis.
Is an eye stye contagious?
No. The bacteria causing the stye are already naturally present on your skin. It is a localized clog and infection, meaning you cannot easily catch it from or pass it to someone else.