What does discharge from the eye mean?
Discharge suggests an infective or allergic cause, and the type of discharge helps distinguish them: watery and itchy points towards allergy, thicker and persistent towards infection. Either way it is assessed rather than self-treated for long.
- Subject
- Symptoms
- Topic
- Common symptoms
- Kind of question
- What is…
- Last reviewed
- 22 September 2026
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Where this answer sits
It is one of 483 answers in the vision and eye health knowledge base, filed under Symptoms & when to get help in Common symptoms . The subject page carries the answers either side of it, and the hub is searchable.
This information is for educational purposes and does not replace an examination by a qualified eye-care professional.
General answers cannot tell you what is happening in your own eyes. Only an examination by a qualified ophthalmologist can do that.
Sources & further reading
We prefer primary sources. Where a claim comes from a manufacturer, a single study or a regulator, it is labelled as such below.
- EyeSmart: eye health information for the public
Patient-facing material from the largest ophthalmology professional body, covering conditions, tests and treatments outside refractive surgery.
Used for Cross-checking patient-facing explanations of non-refractive eye conditions; Describing what tests such as dilation and OCT involve.
Link checked 23 September 2026