How to Choose the Right Heartworm Preventative Based on Dog Size and Age
Heartworm disease is a serious and potentially life-threatening condition in dogs, caused by parasites transmitted through mosquito bites. Because the risk exists across most regions, veterinarians generally recommend year-round heartworm prevention. Choosing the right preventative, however, depends largely on a dog’s age, weight, and overall health . Understanding these factors can help pet owners make informed decisions when selecting appropriate heartworm prevention options. 1. Importance of Dog Size in Heartworm Prevention Heartworm preventatives are typically formulated according to a dog’s weight. Administering the correct dosage is essential, as underdosing may reduce effectiveness, while overdosing could increase the risk of side effects. Key considerations include: Dogs should be weighed regularly, especially growing puppies Preventatives are labeled for specific weight ranges Products should match the dog’s current size, not an estimate Many commonly used he...
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