A prescription is not required to purchase our products, as they are over-the-counter items available where we are located as an international company. We do however strongly recommend consulting with your vet to determine the most suitable options for your pet's specific needs, health condition, and any potential allergies.

Stronghold covers heartworms but not ticks. if you use Stronghold, you shouldn't need a heartworm treatment, but you would need a treatment for ticks, . Simparica Trio covers Ticks, fleas as well as heartworms, so normally you wouldn't need any other treatment when you are using Sinparica Trio.

Simparica Trio has been demonstrated safe for dogs as young as 8 weeks old