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Can I give my dog heartworm preventative without testing?

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If a heartworm-positive dog is not tested before starting a preventive, the dog will remain infected with adult heartworms until it gets sick enough to show symptoms. Heartworm preventives do not kill adult heartworms. Also, giving a heartworm preventive to a dog infected with adult heartworms may be harmful or deadly. 22 авг. 2019 г.


Can you give heartworm meds without a test?

The preventatives will not kill adult heartworms, so the only way to be sure your pet is free of heartworm disease is to have the blood test performed.

Can I give my dog Heartgard without testing?

It's important to never give Heartgard to any pet that has not been tested for heartworm disease. Heartworm preventative medication such as Heartgard cannot kill adult heartworms, but instead kills the baby heartworms known as microfilariae.

Can I just give my dog heartworm medicine?

If at the initial test, your dog is found to have heartworms, treatment will be needed before prevention can begin. However, if your dog is in the clear, he can be started on monthly medication to protect him from the disease.

Can I start my dog on heartworm prevention?

You can also protect your pet from the debilitating symptoms associated with the disease. Puppies can begin heartworm preventative medication from as young as 6/8 weeks old. If your pup is a little older (age 6 months plus) it is important that she is given a heartworm test before preventative medication is given.

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