Pup scratching

[rjpat]

I have a new beagle pup 11 weeks old he had a rash on his belly the first week I had him.I used hydrocortizone spay on it and it cleared up in a couple of days.The pup is still scratching a lot.No sign of fleas Any ideas what it could be.

[Triple_S]

looseing any hair? or bald spots?