Can You Buy Heartworm Medicine Over The Counter Access

: Certain breeds, such as Collies or Australian Shepherds, can have extreme sensitivities (like the MDR1 mutation) to specific active ingredients like ivermectin. The Role of Heartworm Testing

: A veterinarian ensures the preventative won't have dangerous interactions with other medications your pet may be taking. can you buy heartworm medicine over the counter

: If you miss more than a few doses, your vet will likely require a new test before restarting the medication to ensure the pet hasn't become infected during the gap. Purchasing Legally and Safely : Certain breeds, such as Collies or Australian

While the prescription must come from a vet, you are not required to buy the medicine directly from their clinic. You can use your prescription at: : Certain breeds