You can order through your vet's preferred online pharmacy partner, such as Vetsource or Covetrus, which will verify the prescription with your veterinarian before shipping.
It starts killing fleas within 30 minutes and is 100% effective against heartworm when used as directed. Important Safety Note COMBOGUARD® - Vethical buy comboguard for dogs
While less common for this specific brand (which is often clinic-exclusive), some owners use their prescription to buy similar multi-parasite preventatives from retailers like Chewy Pharmacy or 1-800-PetMeds . Key Product Details You can order through your vet's preferred online
It is for dogs and puppies at least 8 weeks old and weighing at least 5 lbs . such as Vetsource or Covetrus
Because it is a prescription-only drug, you have a few specific options for purchasing it: