31/05/2026
⚠️ PLEASE BE AWARE
Please help raise awareness by sharing this information with fellow dog owners.
Recent reports have highlighted an increase in sightings of Oak Processionary Caterpillars in parts of the UK.
These caterpillars carry thousands of tiny toxic hairs that can cause serious reactions in both people and animals. Even contact with a nest, shed hairs, or contaminated surfaces may trigger symptoms.
Signs of exposure in dogs may include:
Excessive drooling
Swelling of the tongue, lips or face
Vomiting
Difficulty swallowing
Breathing difficulties
Pawing at the mouth
The caterpillars are most commonly found on oak trees, often travelling in distinctive nose-to-tail processions or gathered in silken nests on trunks and branches.
If you are walking in woodland, parks or areas with oak trees:
Keep dogs away from caterpillars and their nests.
Avoid touching nests or affected trees.
Keep dogs on paths where possible.
Contact your vet immediately if exposure is suspected
Source: Forestry England and recent national media reports.
