Profender is a convenient, easy-to-use spot-on allwormer for cats, meaning you don’t need to endure the trauma of tableting! Used every 3 months, Profender kills important intestinal worms found in Australian cats, protecting your cat and helping to protect your family. Profender also treats and controls lungworm. And while it’s tough on worms, it’s gentle on your cat. Profender can be used during pregnancy and lactation.