From the Research
Erythromycin ointment is a suitable treatment option for styes, and it can be applied topically to the affected area 2-4 times daily for 5-7 days. The use of erythromycin for styes is supported by its effectiveness in reducing bacterial colonization on the lid margin, as shown in a study comparing antibiotic drops to antibiotic ointment 1. Although this study did not specifically focus on styes, it demonstrates the potential of erythromycin in treating bacterial infections of the eye.
When using erythromycin ointment for styes, it is essential to follow proper application and hygiene procedures. Before application, gently clean the area with warm water and allow it to dry. Place a small amount (about 1/4 inch or the size of a grain of rice) on your clean fingertip and apply directly to the stye, being careful not to touch the eye itself. Erythromycin works by stopping bacterial growth through inhibition of protein synthesis.
While using the medication, avoid wearing contact lenses and eye makeup. Warm compresses applied to the eye for 10-15 minutes several times daily can help speed healing when used alongside the antibiotic. If the stye doesn't improve within a week, worsens, affects your vision, or spreads to other areas, consult a healthcare provider as you may need oral antibiotics or surgical drainage. It is also important to note that erythromycin is considered safe for use in pregnant women and nursing mothers 2.
In terms of the effectiveness of oral antibiotics for chronic blepharitis, which can be related to styes, a recent study found that oral doxycycline may improve clinical signs, but the evidence is very uncertain, and it may cause more adverse events 3. However, this study focused on oral antibiotics, whereas erythromycin ointment is a topical treatment.
Key points to consider when using erythromycin ointment for styes include:
- Apply the ointment 2-4 times daily for 5-7 days
- Follow proper hygiene and application procedures
- Avoid wearing contact lenses and eye makeup
- Use warm compresses to help speed healing
- Consult a healthcare provider if the stye does not improve or worsens.