Frontline Plus is a once a month topical treatment that provides long lasting flea control. Frontline provides "Integrated Flea Control" which breaks the flea life cycle. If used fortnightly Frontline Plus also provides Paralysis tick control on dogs. For tick control in cats use Frontline Spray every 3 weeks. Frontline Plus is available in different sizes and is packaged separately for cats and dogs. For more information visit http://frontline.au.merial.com/