Feline idiopathic cystitis is a disease that affects cats. There is a similar condition in people (interstitial cystitis), but not in dogs. Cystitis, or inflammation of the bladder, can happen in dogs but is usually caused by an infection, bladder stones or other underlying conditions. Please see the links for further information or speak to a vet. 

The vets and nurses at the Joii app are always available to give you advice and answer any doubts.