Cat hairball

Cookie Dough has a furball that she has been trying to get rid of for a bit now.. How do I help this along?

small amount of butter (about 1/2 teaspoon) two or three times a week or a teaspoon of canned pumpkin (non-flavored) or baby food squash. Cats generally enjoy these extra "treats," and they may help by adding lubrication or soft bulk to help hairballs pass. The pumpkin or squash are also sometimes used to help with constipation or diarrhea, because of their added fiber.

She has rattled breathing right now from the hairball... I called in sick to work so I can keep an eye on her. She isn't in any pain or anything, I'd just hate for her to have to deal with this all day.

poor thing...is this a normal occurrence?

It doesn't happen often.. usually if she gets sick its because the cow ate too fast. I'm sure she will be fine just want to give her something to help it along quicker.