1. **Parvovirus**: This highly contagious virus affects a dog's gastrointestinal tract and can be fatal if not treated promptly. Symptoms include vomiting, diarrhea, and lethargy.
2. **Kennel Cough**: A respiratory infection that causes a persistent cough. It is easily spread in places where dogs congregate, like boarding facilities or dog parks.
3. **Lyme Disease**: Transmitted through tick bites, Lyme disease can cause fever, joint pain, and lethargy in dogs. Regular tick prevention is essential.
4. **Ear Infections**: Common in dogs with floppy ears or those that swim frequently. Symptoms include head shaking, scratching at the ears, and a foul odor.
5. **Obesity**: Not a disease, but a common health issue in dogs. It can lead to various health problems like diabetes and joint issues.
Regular vet check-ups, vaccinations, parasite prevention, and a balanced diet are essential for preventing these illnesses. If you suspect your dog is unwell, always consult your veterinarian.
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