I have had cats for over 35 years and declawed each one of them. Currently I have an 8 year old and a 5 year old and they are both declawed. I went to a reputable vet and both my cats are fine. My 8 year old jumps higher than any cat I've ever seen and spins in the air playing. The 5 year...
I, too, had my cat declawed. I'm thinking there could be an infection or something that wasn't done right by your vet. The initial surgery doesn't sound like it went well and I would seriously consider taking her to a new vet to have it assessed. Maybe a new vet might find something left...