Wash hands frequently with soap and water
Avoid touching or rubbing the eyes
Stop using contact lenses immediately
Discard or replace contact lenses and lens case
Avoid sharing towels, pillows, eye makeup, or handkerchiefs
Use a clean, warm or cool compress on the affected eye for 5–10 minutes, several times daily
Use artificial tears (preservative-free if possible) for irritation
If crusting occurs, gently clean eyelids with warm water or sterile saline using clean gauze
For suspected bacterial conjunctivitis: use antibiotic eye drops or ointment as prescribed by a clinician
For suspected allergic conjunctivitis: use over-the-counter antihistamine eye drops or oral antihistamines as directed
Do not use steroid eye drops unless prescribed by an eye doctor
Seek urgent care immediately if any of the following occur:
Eye pain (especially moderate to severe)
Light sensitivity
Blurred or decreased vision
Symptoms after eye injury
Severe redness in one eye
Contact lens–wearers with redness or discharge
Symptoms in newborns
Symptoms that rapidly worsen or do not improve within 24–48 hours
Get evaluated if symptoms last longer than about 7–10 days or keep recurring
Stay home from school/work and avoid close contact until discharge improves, especially if bacterial or viral is suspected