Yes, dogs can get fleas in winter, although the risk may be lower compared to warmer months. Fleas thrive in temperatures between 65°F to 80°F (18°C to 27°C) and high humidity. However, they can survive in homes during winter because of indoor heating. Fleas can also be brought in from outside on your dog or on clothing. To prevent fleas during winter, it's important to continue using flea prevention treatments year-round, even in colder months. Regularly vacuuming your home and washing your dog's bedding can also help reduce the risk of flea infestations. If you suspect your dog has fleas, consult your veterinarian for appropriate treatments.

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Topics covered in this question:

Dog Health Dog Grooming Parasite Prevention Fleas Winter Care