What month should a dog start taking flea & tick and heartworm medications in Toronto?
Original Question: Hello. What month should dogs in Toronto start to take Bravecto and heartworm medications? Thank you. - Michelle
Thanks for your question.
It’s important to point out that this question should be answered by the prescribing veterinarian. I would never give direction on the initiation, dosage, frequency or use of any prescription medication. Only your veterinarian can do that.
I can, however, discuss the seasonality of these diseases in Toronto.
Heartworm season typically runs from June 1st to October 10th. Be aware that it can lengthen or shorten depending on the type of weather we experience during that particular year. The heartworm larvae need a certain number of days in a row of persistently elevated temperatures in order to mature with the mosquito’s body. This is the reason that these dates are quoted for Toronto. For anyone living elsewhere, you’ll need to check with your veterinarian about the season and risk of heartworm disease in your area. Some veterinarians will recommend using heartworm medication year round or start it earlier as it often protects against fleas as well which can occur outside of the heartworm season.
Ticks are more difficult. In areas of Ontario, they have now become endemic, meaning they can be present year-round. They weren’t often found on dogs in the very hot and very cold months of the year, but this has dramatically changed. We will now see ticks on dogs in months like December, January, July and August. Again, I would recommend you speak with your veterinarian, but it can now be considered a year-round problem. However, the risk dramatically increases through the summer based on the lifestyle of pets, the activity of the ticks, and access to tick-infested areas.
I hope this helps.
Dr. Clayton Greenway
Disclaimer: healthcareforpets.com and its team of veterinarians and clinicians do not endorse any products, services, or recommended advice. All advice presented by our veterinarians, clinicians, tools, resources, etc is not meant to replace a regular physical exam and consultation with your primary veterinarian or other clinicians. We always encourage you to seek medical advice from your regular veterinarian.
- Do you recommend a stool test for my dog who is on a raw food diet?
- Answered by: Dennis Chmiel, DVM, MBA
- Nov 25, 2020
- Do small or large breed dogs have more problems with their teeth?
- Answered by: Jeanne Perrone, MS, CVT, VTS (Dentistry)
- Sep 5, 2020
- How do dogs contract leptospirosis and how can it be prevented?
- Answered by: Dr. Alex Avery, BVSc
- Jun 21, 2019