1. **Mild Fever**: Some dogs may develop a slight fever after vaccination, which typically resolves within a day or two.
2. **Soreness at the Injection Site**: It is common for dogs to experience some soreness or swelling at the site where the vaccine was administered. This usually goes away on its own.
3. **Lethargy**: A vaccinated dog may seem a bit more tired than usual for a day or so after receiving the vaccine.
4. **Loss of Appetite**: Some dogs may show a temporary decrease in appetite following vaccination.
5. **Allergic Reactions**: In rare cases, dogs may have an allergic reaction to the vaccine, which can manifest as hives, swelling, or difficulty breathing. If you notice any of these signs, contact your veterinarian immediately.
It's important to discuss any concerns with your veterinarian, who can provide guidance tailored to your dog's health history and needs. Overall, the benefits of vaccinating against canine influenza outweigh the risks of potential side effects, especially in areas where the virus is prevalent.
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