Home > Heartworm Prevention > Sentinel Spectrum

Monthly tasty chew for the prevention and control of fleas, heartworm and intestinal worms in dogs.

Sentinel Spectrum offers your dog active protection against fleas, all major intestinal worms (including Hydatid tapeworm and flea tapeworm) and heartworm. Unlike spot-on treatments, there's no harmful residue to rub off on you, your family or your home.

Sentinel Spectrum 2-8 lbs 6 Month
Regular Price: $45.99
Sale Price: $36.75
Sentinel Spectrum 2-8 lbs 12 Month
Regular Price: $88.99
Sale Price: $73.50
Sentinel Spectrum 8.1-25 lbs 6 Month
Regular Price: $48.99
Sale Price: $39.50
Sentinel Spectrum 8.1-25 lbs 12 Month
Regular Price: $89.99
Sale Price: $79.00
Sentinel Spectrum 25.1-50 lbs 6 Month
Regular Price: $55.99
Sale Price: $46.50
Sentinel Spectrum 25.1-50 lbs 12 Month
Regular Price: $109.99
Sale Price: $93.00
Sentinel Spectrum 50.1-100 lbs 6 Month
Regular Price: $67.99
Sale Price: $60.50
Sentinel Spectrum 50.1-100 lbs 12 Month
Regular Price: $132.99
Sale Price: $121.00
Comparison chart of paracites affected by the Sentinel product line.