Easter eggs can be fatal to dogs: RSPCA

Families across Queensland have been warned not to feed their dogs chocolate over Easter because it could kill them.

RSPCA Queensland senior veterinarian Anne Chester said just 50g of the sweet treat could be fatal.

"The problem is that the systems of cats and dogs cannot tolerate theobromine, one of the key ingredients of chocolate," she said in a statement on Wednesday.

If ingested by pets, it could cause vomiting, diarrhoea and hyperactivity, which could then be followed by depression, coma, seizures and death.

Dr Chester said onion could also be toxic to pets, while fatty foods in barbecue leftovers could lead to pancreatitis.

"Cooked bones can also cause major problems. They're brittle and the sharp slivers can either lodge in the throat or pierce the stomach lining," she said.

"We want everyone to enjoy the Easter break, but please think carefully before you feed your pets' food designed for humans - especially chocolate."