I'm not in the know, but has anyone ever encountered something like th…

I'm not in the know, but has anyone ever encountered something like this? My Yorkie terrier and as everyone knows due to the structure of human hair they have to get their fur trimmed periodically. We go for a trim every 3-4 months, as it grows back. The groomer cuts the back very short and the front. Every time afterwards we suffer from irritation and redness. He lies all day, sleeps. I give him loratadine to make the itching less painful. I don't know what else to help him with...