Cape Ann Veterinary Hospital    978-283-3238

Canine Heartworm Medications

 

  • We recommend year-round once-a-month heartworm prevention for all dogs.
  • All products listed below are designed to be given once a month.
  • Heartworm medication should be started between 2 4 months of age for all dogs.
  • These products are satisfaction guaranteed by the manufacturers only when purchased through our hospital. The guarantee is not extended from the manufacturer for most online purchases.

 

 

Product

Active Ingredients / Effects

Other

 

Interceptor

 

(flavored tab)

 

 

Milbemycin for heartworms, hookworms, roundworms and whipworms

 

 

 

Use for dogs with recurrent whipworm infection or if they spend a lot of time boarding or playing in areas with a high volume of dog traffic

 

Tri-Heart Plus

 

(flavored tab)


 

 

Ivermectin for heartworms


 

Pyrantel for hookworms & roundworms 

 


Least expensive option

Can be swallowed whole and does not need to be chewed for full effect


Eliminated from the body within 4 hours although effects last for one month

Heartgard Plus

 

(chewable)


 

 Same ingredients as Tri-Heart Plus



 


Must be chewed and not swallowed whole for full effect 

Eliminated from the body within 4 hours although effects last for one month

 

Sentinel

 

 

 

Milbemycin for heartworms, hookworms, roundworms and whipworms

 

Lufenuron renders fleas sterile

 

 

Sentinel = Interceptor + Program

 

Must be given with a meal for proper absorption