I would suggest to take him to the vets asap so you can get stuff like tat looked at or you can get some pet advice from many website, good place to pet advice can be found here - www.mypetzilla.co.uk/pet-advice

You can also you www.mypetzilla.co.uk Mypetzilla also has a cool dog breed selector page where it can help you choose the correct breed of dog for you www.mypetzilla.co.uk/dog-breeds