Selemectin is on the MDR1 list too and should not be given...
Boost the immune system. Bovine Colostrum
Get some raw organic cold pressed coconut oil and Neem oil. Melt the CO in a shot glass in a hot water bath (no microwave) and same with the Neem...mix a dropper full of neem to shot glass, mix and apply that.
Also feed a tsp./10lbs of body weight of the CO split am/pm
He is your friend, your partner, your defender, your dog. You are his life, his love, his leader. He will be yours, faithful and true, to the last beat of his heart. You owe it to him to be worthy of such devotion. - Unknown