If an adder bites a pet

A pricked-ear dog standing on a lush meadow in the sunshine, looking forward.

An adder bite can damage many organs

  • The adder found in Finland secretes venom containing several different toxins when it bites.
  • The toxins can have a harmful effect on the kidneys and the heart. Adder venom can also damage blood vessels.

Symptoms of an adder bite

  • Severe swelling forms at the bite site. The swelling is painful and usually spreads gradually under the skin to a larger area.
  • Patients bitten by an adder may also experience vomiting, dehydration and apathy or fatigue.

Do this if an adder bites your pet

  1. Take the pet to a vet immediately.

    An adder bite always requires veterinary care.

  2. Keep the animal as still as possible.

    Avoid moving the pet unnecessarily so that the venom won’t spread.

  3. Do not use adder tablets.

    …unless the pet’s airways are at risk of becoming blocked.

  4. No liquids.

    Do not give liquids or medications orally if the pet’s level of consciousness has decreased.

What does a vet do for a patient with an adder bite?

  • At the vet’s office, patients bitten by an adder will be given intravenous fluid therapy and usually opioid medication for the pain.
  • An antivenom may also be used to treat adder bites.
  • If the treatment can be started early, the prognosis for recovery is usually good.