Having a blocked bladder (being unable to pee) is an emergency and can cause death if left untreated. Contact your vet for an emergency appointment if your cat is struggling to pee.
Chocolate contains a substance called ‘theobromine’ which is toxic to dogs and cats. It’s similar to caffeine and can cause problems with the nervous system, bowels, kidneys and heart.
Pets can have allergic reactions just like people. Common triggers include insect stings, plants and medications (including vaccinations).