No its not normal for a pup to get this & other than going to the vet just for a rutine visit & getting it looked at you can try things like fish oils, salmon oil etc?
http://www.canineconcepts.co.uk/item--Salmopet-Pure-Salmon-oil-300ml--salmon
That should help but by the sounds of it you may have an underlying problem ie food? what food to you feed? any special treats etc???
http://www.canineconcepts.co.uk/item--Salmopet-Pure-Salmon-oil-300ml--salmon
That should help but by the sounds of it you may have an underlying problem ie food? what food to you feed? any special treats etc???