my puppy has started to pee in the house

Question
we brought a Jack Russell Terrier about 5 months ago and he is now 7 months old. he was very good at his house training has never really peed in the house. however a few days ago my mum was getting ready to take him out and he peed in the kitchen. it has also got to the point were we have to take him out at least every hour or he pees without him even really realizing that he has done it. what could possibly be wrong with my dog?

Answer
Lauren -

Please take him to a vet right away. There are a number of medical issues that can cause this, and he needs to be seen to sort out which one is the cause.

Basically, any sudden change in behavior like this requires a vet to rule out medical problems before anyone thinks it might be behavioral.

Good luck with your little man.

-Beth