Sentinel Spectrum Tasty Chews for Dogs is a once a month meaty chew for the prevention of heartworm disease and control of roundworm, whipworm, hookworm and tapeworm in dogs while also providing long term protection and control of flea infestations, and treatment of flea allergy dermatitis in dogs. 

Directions for Use: 

• Sentinel Spectrum Tasty Chews are given once a month, all year round with a full meal. 
• This medication should not be used in animals allergic to it. 
• Heartworm testing should be performed prior to the start of prevention therapy. 
• Sentinel Spectrum has a wide margin of safety for all sizes and breeds of dogs including Collies. It is approved for use in puppies as young as 6 weeks, pregnant females, breeding bitches and stud dogs. Adverse reactions reported include vomiting, diarrhoea, depression/lethargy and pruritis.