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.
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
It starts killing fleas within 30 minutes and is 100% effective against heartworm when used as directed. Important Safety Note COMBOGUARD® - Vethical
Because it is a prescription-only drug, you have a few specific options for purchasing it:
To buy , you must first obtain a prescription from your licensed veterinarian . This medication is a flavored, chewable tablet designed for monthly use to protect against fleas, heartworms, and intestinal parasites. Where to Buy ComboGuard
It is for dogs and puppies at least 8 weeks old and weighing at least 5 lbs .