Because heartworm preventatives are regulated medications, you cannot buy them over-the-counter.
: Some locations allow you to pick up prescriptions in-person if they have a full-service veterinary hospital on-site. 4. Administration & Benefits Petco Veterinary Services: Quality Care for Your Pet
: Before a prescription is issued, your dog must have a negative heartworm test on file. Testing is critical because giving preventatives to an already infected dog can cause serious adverse reactions.
Because heartworm preventatives are regulated medications, you cannot buy them over-the-counter.
: Some locations allow you to pick up prescriptions in-person if they have a full-service veterinary hospital on-site. 4. Administration & Benefits Petco Veterinary Services: Quality Care for Your Pet
: Before a prescription is issued, your dog must have a negative heartworm test on file. Testing is critical because giving preventatives to an already infected dog can cause serious adverse reactions.
