Conjunctivitis

• Pink or red color in the white of the eye
• Watery, thick yellow, or green discharge
• Crusting on eyelashes, especially after sleep
• Itchy, burning, or gritty feeling in the eye
• Swollen eyelids
• Increased tear production
• Sensitivity to light
• Often starts in one eye and spreads to the other

Conjunctivitis can be caused by viruses (most often adenovirus), bacteria (such as Staphylococcus or Streptococcus), allergens (like pollen or pet dander), or irritants (like smoke or chlorine). Viral and bacterial forms spread through direct contact with eye discharge, contaminated hands, towels, or shared items.

Conjunctivitis affects about 6 million people in the United States each year and is one of the most common reasons children miss school. Viral and bacterial cases peak during cold and flu season and spread rapidly in classrooms and daycares.

Bacterial conjunctivitis is treated with antibiotic eye drops or ointment from a doctor. Viral conjunctivitis usually clears on its own in 1 to 2 weeks, with cool compresses and artificial tears for comfort. Allergic conjunctivitis improves with antihistamine drops and avoiding the trigger. Wipe discharge from the eye with a clean, damp cloth, using a fresh area for each wipe. Children should not share towels or pillows during recovery.

Wash hands frequently and avoid touching or rubbing eyes. Do not share towels, washcloths, pillowcases, eye drops, or eye makeup. Replace contact lenses, cases, and solutions as recommended. Clean eyeglasses regularly. Keep children home from school until discharge stops or until a doctor says they are no longer contagious (often 24 hours after starting antibiotic drops for bacterial cases).

Track Conjunctivitis and other illnesses at your child's school in real time.