Bio Spot Active Care Flea & Tick Spot On for Dogs 61-150 lbs, 6 Month is used once a month to keep your dog protected against fleas, ticks, and mosquitoes. The IGR (insect growth regulator) in Bio Spot Defense pet medications helps stop re-infestations by preventing flea eggs and larvae from maturing into adult fleas.
- Effective against fleas and ticks, including those that may transmit Lyme disease
- Can be used year-round for continuous protection
- Easy-to-use, pre-packaged applicators
- Water-resistant and stays effective in humid environments