When should my puppy go on heartworm prevention?

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Our question this week was:

When should my puppy go on heartworm prevention?

Most heartworm preventatives are given to puppies over 6 weeks of age and can be started anytime after that age. A blood test is required prior to starting heartworm prevention if the puppy is more than 6 months old. There are several manufacturers of heartworm prevention all of which may have slightly different guidelines. Speak to your veterinarian about administration guidelines and options available,

Dr. Debra

Our question this week came from Donna S., Indianapolis, IN.

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