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Letter R

Red eye

Also known as: Pink eye, Bloodshot eye

Red eye symptom guide: what it can mean, possible causes, and when to seek care. Educational only.

Overview

A red eye can come from conjunctivitis, dryness, or allergy. Avoid sharing towels. Severe pain, light sensitivity, or vision change needs prompt assessment.

Possible causes

  • Conjunctivitis
  • Allergy
  • Dryness
  • Foreign body
  • Sinusitis

When to see a doctor

See a clinic if a red eye hurts, has pus, or vision changes.

Related conditions