What To Do if I Missed Heartworm Pill for My Dog? Forgot to give your dog monthly heartworm preventive? Find here about facts you need to know when you miss to give heartworm pill to your pooch. This is the most common question that usually most pet parents often ask to their vet that what they should do if they missed a dose of heartworm medicine. And should they administer any other pill prior testing their pe t for heartworm disease. The answer to this most common question is “NO.� Mostly heartworm preventives protect your furry pals from heartworm infection for 30 days. It is necessary to treat pets with heartworm control products every month for complete protection. Because of this, pet owners presume to administer the pills every month on the same date. However, certain prevention treatments like Heartgard defend pets for almost 60 days.
If your pet misses more than 2 doses in 6 months, then before starting the next dose, take him for the heartgard test to your vet. Moreover, you need to restart the medication from starting along with annual vet exam for saving pet from dreadful heartworm infection. Normally, it takes at least 6 months for a pet to become seropositive on blood tests after being infected by heartworm larvae through mosquito bite. Therefore, in case you have mi ssed heartworm preventive for more than 6 months, it is best to have the blood test first for heartworm infection before resuming the administration of the medication.