ComboGuard is frequently sold directly through VCA Animal Hospitals and other participating clinics.
It contains Spinosad (to kill fleas) and Milbemycin Oxime (to prevent heartworm and control intestinal worms). Usage: Administer one tablet monthly with a meal . buy comboguard for dogs
It starts killing fleas within 30 minutes and is 100% effective against heartworm when used as directed. Important Safety Note COMBOGUARD® - Vethical ComboGuard is frequently sold directly through VCA Animal