For that reason, the American Heartworm Society recommends that you “think 12:” (1) get your pet tested every 12 months for heartworm and (2) give your pet heartworm preventive 12 months a year.
How long does a heartworm pill last in dogs?
However, due to the heartworm life-cycle, it is likely that giving the medication every 45 to 60 days, rather than every 30 days, will allow immature heartworms to develop into adult heartworms. In other words, heartworm prevention medication is not effective when given every 45 to 60 days.
How long does heartworm treatment last?
The treatment for heartworm disease takes at least 60 days to complete and consists of a series of drug injections that kills the worms.
Do dogs need heartworm medicine every month?
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.
Do dogs need heartworm medication their whole life?
The more we use the drugs, the less effective they become. In the US, more and more dogs each year are getting heartworm while on the meds. So, do dogs need heartworm medicine year-round? The AHS solution is to drug resistant heart worms is to recommend giving meds year-round.
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