Bio Spot Defense Flea & Tick Spot On for Dogs 32-55 lbs, 3 Month is a monthly, topical flea and tick control medication for dogs over 6 months of age. This flea treatment breaks the flea life cycle with its included Insect Growth Regulator (IGR). Bio Spot Defense is also effective against ticks, mosquitoes, flea larvae and eggs.
- Water-resistant; won't stop working in humid environments
- Prevents flea eggs from hatching and maturing
- Effective flea control that begins working within 15 minutes
- Manufacturer information and usage