I think the pumpkin is a good idea for the constipation. We use it here all the time with good results.
As for the crying, could she have hurt her back? Perhaps ask the vet to manipulate her spine at her next visit...
"We are--each of us--dying; it's how we live in the meantime that makes the difference."
"It's not what you gather, but what you scatter that tells what kind of life you have lived!"
"Be kinder than necessary, for everyone you meet is fighting some kind of battle."