1. **Coughing**: One of the most noticeable signs of heartworm disease is a persistent cough. This occurs due to the worms affecting the dog's lungs and heart.
2. **Fatigue**: If your dog seems lethargic or tires easily during walks or playtime, it could be a sign of an underlying health issue, including mosquito-borne diseases.
3. **Weight Loss**: Unexplained weight loss can occur as the disease progresses and the dog’s body struggles to cope.
4. **Decreased Appetite**: Dogs may lose interest in food, leading to weight loss and malnutrition.
5. **Swollen Abdomen**: In more severe cases, fluid may accumulate in the abdomen, causing swelling.
6. **Difficulty Breathing**: If your dog is having trouble breathing or shows signs of distress, it may be due to heartworm affecting their lungs.
7. **Fainting or Collapse**: In advanced stages, dogs may faint or even collapse due to heart failure.
It’s essential to consult your veterinarian if you notice any of these signs, especially if you live in an area where mosquito-borne diseases are common. Regular preventive care, including heartworm prevention medication, is crucial to keep your dog healthy and safe from these diseases.
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