The following are prescription heartworm medications for various sizes of dogs and cats. Like all regulated prescription drugs, these heartworm medications may not be dispensed without a prescription from a state licensed veterinarian. If your pet is not currently under Veterinary Express’ care or has not been prescribed a heartworm medication by another veterinarian, you must first either obtain a prescription from us or from another veterinarian prior to placing an order for any of the heartworm medications listed below. Please feel free to call our office at 1-919-577-2243 for more information concerning our online prescription ordering process.
Canine Heartworm Prevention