She coughed up a hairball a couple of days ago. She only does this once a year at most. I thought it would help but she's back at it. I've noticed it's a very wet cough. The blanket in front of her is wet after an episode.I forgot to tell you, the vet had told me that it may be seasonal allergies and I may want to try an antihistamine that the pet store carries. Something tells me it's not allergies, but I don't know.