Louping-ill in dogs – signs and what to do

Updated 2026-09-30 · 1 sources

Based on: ESCCAP

Book a vet visit

Book a vet appointment if you think your dog has this – a vet needs to confirm it and plan the treatment. Louping-ill is an infection caused by Louping-ill virus that dogs can get from Ixodes ricinus ticks.

What you can do now

  1. Contact your vet.
  2. Note when it started, how often it happens and what else you see.
  3. Take a photo or short video to show the vet.
  4. Keep fresh water available.
  5. Let your dog rest somewhere calm.

Don't

  • Do not give any human medicine.
  • Do not wait if it gets worse.

What it is and how it spreads

Louping-ill is an infection reported in Ireland and the UK.[1] Dogs can get it through Ixodes ricinus ticks.

Signs

  • Muscle tremors
  • Spasms
  • Ataxia
  • Fever
  • Weakness
  • Paresis

How pets pick it up

  • Ixodes ricinus ticks

Where in Europe it occurs

CountryOccurrence
IrelandPresent
United KingdomPresent

What the experts say

“Muscle tremors, spasms, ataxia, fever, asthenia, weakness, paresis.”

If your pet is struggling to breathe, has collapsed, is having a seizure or can't stand up: go to the nearest vet now.

Not sure how serious it is?

OkPaw asks a few quick questions about your pet and tells you in 30 seconds whether it can wait. Free on Google Play for Android.

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Common questions

What signs can louping-ill cause in dogs?

It can cause muscle tremors, spasms, ataxia, fever, weakness and paresis.[1]

Where in Europe is louping-ill reported?

It is reported in Ireland and the UK.[1]

Is louping-ill an infection?

Yes. It is reported as a louping-ill infection in Ireland and the UK.[1]

Sources

  1. ESCCAP

How this page was made: written with the help of AI from the sources below, then checked claim by claim against those sources. Urgency levels follow OkPaw’s fixed safety rules. It is guidance, not a diagnosis. How we write our pages

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