All herbs
Traditional part

Eyebright

Euphrasia officinalis

Traditional useModerate — observe cautionsInteractions: ModeratePregnancy: Caution
Benefits summary

Traditionally used for irritated, watery eyes and hay-fever-type congestion.

Traditional & historical use

Traditional use (european-folk): Traditionally used for irritated, watery eyes and hay-fever-type congestion.

Modern claims

Traditionally used for irritated, watery eyes and hay-fever-type congestion.

How it may work

Active constituents are under study; evidence ranges from traditional use to preliminary human trials.

Benefit–risk at a glance
Potential benefits
  • Traditionally used for irritated, watery eyes and hay-fever-type congestion.
Most credible evidence

Evidence strength: traditional use.

Key uncertainties
  • See the evidence level above
Known risks
  • Home-made eye washes risk infection — never put non-sterile preparations in the eye.
Who should avoid
  • Non-sterile eye application
Risks

Home-made eye washes risk infection — never put non-sterile preparations in the eye.

Interactions

May interact with prescription medications — review with a clinician if you take any.

Special populations

Use caution in pregnancy, breastfeeding, for children, and with chronic disease unless cleared by a clinician.

Sourcing & growing

Choose reputable, tested suppliers; correct identification is essential for wild-harvested plants.

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