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학습 자료 둘러보기 →| Type | Discharge Characteristic | Key Associated Findings |
|---|---|---|
| Bacterial | Thick, purulent (yellow-green) | Eyelids stuck together (matting), often bilateral but can start unilaterally. |
| Viral | Watery, clear, or mucoid | Profuse tearing, preauricular lymphadenopathy, often follows an upper respiratory infection. |
| Allergic | Watery, clear, or stringy/mucoid | Intense bilateral itching, eyelid swelling (chemosis), often seasonal or related to a known allergen. |
| Gonococcal (Hyperacute) | Copious, thick, purulent | Rapid onset, severe lid edema, chemosis, and potential for corneal involvement. In prepubertal children, this finding necessitates an evaluation for sexual contact . |
The hallmark of bacterial conjunctivitis is thick, purulent discharge that causes the eyelids to stick together, especially upon waking. This discharge is typically yellow-green.
In contrast, viral conjunctivitis presents with watery or mucoid discharge, often accompanied by photophobia. Allergic conjunctivitis features watery discharge with prominent itching and eyelid swelling.
In neonates, purulent discharge may indicate ophthalmia neonatorum caused by Neisseria gonorrhoeae or Chlamydia trachomatis, which requires urgent systemic treatment to prevent corneal perforation.
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