How can I be allergic to one dog but not another?

I've had one dog for a couple years, now. I'm not sure what breed she is, she's a mix of a few breeds, I do believe. I've never had any problems with her. But we recently got a new dog. She's something along the lines of a golden retriever or boxer mix...

ok im 12 years old and ive had like a couple dogs in my life time,but all of them has been small dogs and i dont really like small dogs i just dont find them very fun,i want something that is excited to see me when i get home and that is really friendly...

I have researched everything there is to know about getting a new puppy or dog. I have shown my parents pictures of dogs from the pound that needed a home, and they say awwwww but do nothing about it. I have offered to pay for the dog, help pay for its...

Some of you might have read my last question. My dads friend's female American Staffordshire Terriers, had puppies they are BYB's they call them "pit bulls" dont even know there are 26 different dog breeds listed under pit bulls...ugh! Any...

So I have a one year old Beagle, he is house broken, which took quite a long time to do. When we go outside I can bring him to any patch of grass, new or old for him, and he will pee no problem. I want him to be able to poop like this as well. My brother...

my dog was fine with this other dog until we got a puppy and we were outside, other dog was also, puppy was sniffing other dog where he didn't like & snapped at puppy, big dog went charging after other dog. ever since then he wants to fight that...

Recently my neighbor's pet dog died due to asthma(doctor told).My dog used to play with that dog for last few days.. Will this cause any harm to my dog.What i have to do prevent my dog?pls ans as soon as possible friends.

my daughter wants another dog because she says the one we have doesnt love her but i have to beg her to play with him or take the dog for a walk,and feed it. i end up doing most of that and so the dog prefers me. I told her our dog can sence that she...