Buy Comboguard -

: Your dog must be tested for existing heartworm infections before starting ComboGuard

: A licensed veterinarian must issue a prescription based on your dog's current weight. Purchase Locations : In-Clinic : Many clinics, specifically VCA Animal Hospitals ComboGuard buy comboguard

: Give the tablet with a meal once a month to ensure maximum effectiveness. : Your dog must be tested for existing

: Discuss use with your vet if your dog has a history of epilepsy or seizures, as the ingredient spinosad may cause adverse reactions in these pets. Alternatives COMBOGUARD® - Vethical or Vetsource. Critical Usage Information

contains prescription-strength ingredients, it cannot be purchased "over-the-counter." You must follow these steps:

: Once you have a prescription, you can buy it from authorized retailers like Chewy Pharmacy , 1-800-PetMeds , or Vetsource. Critical Usage Information