my puppy keep scooting on her butt and whining or crying?

[ZAPttt]

i need help my puppy who is about 4 months old she just started crying/whining and she scoots on her butt. Also she has started eating grass.
what do i do should i take her to a vet and also i am not sure if she got her shots she was given to me at 3 months old. HELP!!!!!
i picked up her tail because her tail has been down and her butt smells really bad and her butt opens a lttle bit .

what is wrong.?

[Elyse]

It is most likely her anal glands needing to be repressed. After awhile most dogs anal sacs get too full, and then it become painful for them to use there butt.

[Unregistered]

worms