EVERYDAY CAT CARESubscriber Only Hairballs 101 Causes, Remedies, Risks. By estaff - Published: July 15, 2019 Updated: February 18, 2020 0 Print Email Facebook Twitter Its not uncommon for a cat to vomit up a hairball every week or two. And while the momentary hacking, gagging, and retching it takes to make it happen doesnt feel good to the cat, neither is it harmful - usually. To continue reading this article you must be a paid subscriber Subscribe Subscribe to Tufts Catnip Get the next year of TUFTS CATNIP for just $20. And access all of our online content - over 1,000 articles - free of charge. Subscribe today and save 44%. It's like getting 5 months FREE! Already Subscribed? Click Here to Sign In | Forgot your password?