loss of hair

Hey! I have a lab and greyhound mixed and every during every season. He gets really itchy and red. What can I do to ease this allergy time?

thanks a bundle
meagan

I have a Border Collie X Dalamtion She had such bad allergies. I put her on a supplement called MSM. This summer there has been no allergy attack. Which is amazing. I also changed the dog food over to Lamb and Rice. Good luck!!