) If your dog is getting the welts everyday, you really need to find out what is causing the reaction
. For temporary relief, and
Until you find out what is causing your dogs allergic reaction
, you can give the dog Benedryl..(diphenhydramine hydrochloride)
1 mg of Benedryl per pound of dog is the standard dosage. The dosage can be repeated every 8 hours if needed.
If the welts do not go away, or if they go away, but, continue to return, take your dog to the vet.