Adopting a puppy: What's this skin spot on her back? Is she healthy?

I would get him checked for external parasites, such as lice or mites (Cheyletiella comes to mind as a possibility). If those aren't the problem, it could be a bacterial skin infection secondary to allergies. Your vet can do some simple testing to get this sorted out.

Petra is very cute! I would recommend taking her to a vet for a skin scrape. This will make sure she does not have skin mites like demodex. IT is possible a small allergy,fungal disease, skin infection or even vasculitis from a rabies vaccine cause the hair loss. However due to breed I would make sure she does not have skin mites.

Your pictures aren't coming in clear on my end. It could be normal pigmentation of the skin (even white dogs can have non-white skin), flea dirt, or signs of inflammation. To be sure, you can have your vet take a look.

Poor pup! Ringworm or mites are the two most likely suspects. Check to see if they have tested for mites yet. The good news is that both are treatable! I hope this is helpful and please feel free to post any additional questions!

I'm wondering if the 'pimple' in the first picture is potentially part of her spay scar and a suture reaction if she was recently adopted and spayed. You may be able to feel some 'firm' tissue beneath this area if that is the case. It's also possible that this is a small skin mass that has become infected. Dogs can develop milia, but milia are most commonly seen when there is excess cortisol due to a disease like Cushing's. The milia do not typically require treatment but the underlying disease does. Cushing's is common in middle aged to older dogs and other signs include increased thirst, hunger and urination. I think it would be a good idea to have a veterinarian examine her skin to make sure treatment for an infection isn't necessary, and to discuss testing for Cushing's disease if she is showing any other signs.

It looks like Peach could have dermatitis on her back and around her vulva, and wax or discharge from an ear infection in her ears. The spots around her vulva could possibly be flea dirt. I would recommend having your vet examine Peach's skin.

Skin problems can occur for a number of reasons other than mange including allergies, infections, fleas and autoimmune problems. I would try to talk to the staff at the shelter to see if they can give you a better idea of what the underlying cause is. Some problems such as allergies or autoimmune conditions can result in a lifetime of care that may be expensive well others may be managed relatively easily.