Hello,
This is Dr. Christian. Welcome to JustAnswer. A few questions will help me get a clearer picture of the situation:
he weighs about 55 pounds
he is english bulldog
he has no medical conditions and takes no meds
I don't know if it a boil
it is under his hair
it is very tender
red and looks like some puss
i will take him to vet in am
wanted him to have a restful night
Dog Veterinarian
12 years of veterinary experience in canine surgery, medicine and behavior