Can you give dog heartworm medicine without testing?
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Similarly, you may ask, can I start my dog on heartworm medicine without testing?
Puppies under 7 months of age can be started on heartworm prevention without a heartworm test (it takes at least 6 months for a dog to test positive after it has been infected), but should be tested 6 months after your initial visit, tested again 6 months later and yearly after that to ensure they are heartworm-free.
Similarly, do you need a prescription for heartworm medicine for dogs? Giving a dog heartworm medication is easier, safer, cheaper and more compassionate than treating a dog after they have developed heartworm disease. All FDA-approved heartworm preventatives require a prescription, so you will need to visit your veterinarian before purchasing heartworm medicine for dogs.
Similarly, how long can a dog go without heartworm pills?
Most of the monthly heartworm medicines have a safety factor of at least 15 days of protection if a dose is missed. This means that if you're just a week or two late, your pet is likely still within that window of protection and would be unlikely to become infected during that time.
What happens if you don't give your dog heartworm pills?
If you don't test for the disease and your dog is infected, the heartworm disease will gradually progress and cause serious, life-threatening illness. This can happen even if you continue to give heartworm medication because those medications kill only early stage larvae.