How do I Know if My Cat Has Hairballs ... However, identifying hairballs causing obstructions is trickier. If a hairball is blocking something, you might not see hair in your cat’s vomit.

Mia, aged seven, underwent a five-hour operation in March A seven-year-old girl had to have a hairball removed from ... "You may not be as lucky as me and if you do it will cause you a lot of ...