Emergency — phone the vet now Within 2 hours

Dog has eaten coffee, tea, or caffeine

Caffeine is highly toxic to dogs — phone the vet for any meaningful ingestion of coffee, tea, energy drinks, or caffeine pills.

Dog

In the next 60 seconds

  1. Phone vet or Animal PoisonLine.
  2. Note product, amount, time.

Recognise the signs

  • Restlessness, hyperactivity
  • Vomiting
  • Fast heart rate, abnormal rhythm
  • Tremors, twitching
  • Seizures, collapse

First aid steps

  1. Phone vet or Animal PoisonLine.
  2. Note product, amount, time.

Do NOT

  • Do not delay — caffeine acts fast.
  • Do not induce vomiting at home unless told to.

While transporting to the vet

  • Bring packaging.

When to phone the vet immediately

  • Any known ingestion in meaningful amounts
  • Tremors, fast heart rate, seizures

Common causes

  • Coffee grounds, beans, ground coffee
  • Tea bags
  • Energy drinks
  • Caffeine pills (high dose)
  • Chocolate-covered espresso beans

What the vet will need to know

  • Caffeine source and concentration
  • Amount
  • Dog's weight

Aftercare

  • Decontamination, IV fluids, anti-arrhythmic and anti-seizure medication as needed.
  • Hospitalisation 12-24 hours.

Prevention

  • No caffeine sources accessible.
  • Empty mugs out of reach.
  • Bin discipline for grounds and bags.

Frequently asked questions

How much caffeine is dangerous?

Roughly 9mg per kg starts to cause problems; 19mg/kg+ is severe. A single espresso (~80mg) is risky for a small dog.

Are coffee grounds worse than brewed coffee?

Yes — concentrated. Tea bags less so but still problematic.

Energy drinks?

High caffeine + sugar + sometimes other stimulants. Treat as urgent.

Animal PoisonLine 01202 509 000 Emergency
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