How do monthly heartworm preventives work? Whether the preventive you choose is given as a pill, a spot-on topical medication or as an injection, all approved heartworm medications work by eliminating the immature (larval) stages of the heartworm parasite.
Do dogs really need heartworm pills 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.
How long does monthly heartworm medication work for?
The monthly heartworm preventative we prescribe only lasts in a dog's or cat's body for one to two days, not 30 days, due to the lifestyle of the heartworm, it is only necessary for the pet to take the heartworm preventative every 30 days.
How quickly does heartworm prevention work?
Heartworm preventatives work to kill the initial stages. Your preventative works by killing the larvae that have infected your dog during the PREVIOUS 30 days. Many people think it protects for the next 30 days, but it doesn't.
How much does monthly heartworm treatment cost?
Heartworm prevention requires a prescription from your veterinarian, and it is generally administered monthly as a tablet that costs between $6 and $18 per month.
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