SentryHC Petromalt Fish Flavored Hairball Relief for Cats 2oz.When cats clean themselves, their tongues often pull loose hair from thecoat. When swallowed, it can accumulate in the gastrointestinal tract.This nearly indigestible material becomes a hairball, which can interfere with normal digestion and elimination. Symptoms of hairballs include constipation, straining during a bowel movement, dry cough, and vomiting after meals. Sentry Petromalt Fish Flavored Hairball Relief for Cats will help prevent and eliminate hairballs. Fish FlavorHelps reduce and eliminate hairballsTasty fish flavor your cat will loveEasy to adminsiter gel tubePowered by eCRATER . List your items fast and easy and manage your active items. Powered by eCRATER . List your items fast and easy and manage your active items.