What are the most common causes of pet illness?

Answer:

The most common causes of pet illness are:

• Bacterial infections: Bacteria are the most common cause of pet illness, especially in dogs. Common bacterial infections include kennel cough, respiratory infections, and gastrointestinal diseases.
• Viral infections: Viruses are another common cause of pet illness. Common viral infections include influenza, rabies, and distemper.
• Parasites: Parasites, such as fleas, ticks, and worms, can also cause pet illness.
• Toxic substances: Toxic substances, such as household cleaners, pesticides, and antifreeze, can also cause pet illness.
• Nutritional deficiencies: Nutritional deficiencies can also contribute to pet illness.
• Underlying medical conditions: Underlying medical conditions, such as diabetes, cancer, and kidney disease, can also contribute to pet illness.