If a dog (any dog) is losing hair in big enough patches to see his bare skin where he has lost it, he probably has mange, and should be seen by a vet. There are other causes too,but mange is the first thing the vet will suspect. Take him to the vet.
Chemicals in water, food and Human shampoo
It's getting old. Give it vitamins.
All dogs have hair, but if you mean LONG hair, only if the chihuahua was the long haired breed.
Chihuahua Short Hair
Take him to the vet He could have a serious skin condition starting.
Only if you have chemotherapy wil lyou loose your hair
Shedding is another word for losing hair.
Only if it keeps getting higher.
Chihuahua
define 'losing hair'. if it comes our while brushing etc, that's one thing. but if it comes out in handfuls that's another.
It kepps you from losing your hair most of the time but some side effect are losing of hair.
chihuahua
You see the white tip on the hair that you are losing because of the dandruff.