Some preventatives require a veterinary visit.
Your dog must have an annual heartworm test to be prescribed this medication.
Need a test? Contact us – we may be able to approve your prescription online.
Prevent 3 parasitic diseases in your dog at once with Tri-Heart Plus. This dewormer is used for preventing canine heartworm disease and also protecting against hookworm and roundworm in dogs. Your dog will look forward to the pork liver flavor of this chewable preventive each month. Tri-Heart® Plus is a value offering to other products which contain Ivermectin & Pyrantel.