Most common diseases in cats how to recognize them

3/10/2026By Svetlana Nikolic
Cats are known as very clean and resilient animals, but they can also suffer from various diseases. Owners often notice a problem only when the cat starts behaving differently. That is why it is important to recognize the early signs of illness. 1. Feline leukemia virus (FeLV) This is a viral disease that attacks a cat’s immune system. It is transmitted through contact with infected cats, most commonly through saliva or bites. Possible symptoms include: loss of appetite weight loss fatigue frequent infections Regular vaccination can help protect cats from this disease. 2. Feline immunodeficiency virus (FIV) This disease is often called “cat HIV.” It is most commonly transmitted through bites between cats. Signs of the disease: gum inflammation skin infections weak immune system slow recovery from illnesses Cats can live for many years with this disease if they receive proper care. 3. Feline panleukopenia This is a highly contagious viral disease that can be especially dangerous for kittens. Symptoms: vomiting diarrhea high fever weakness Vaccination is the best protection against this disease. 4. Ringworm (fungal infection) Although the name sounds like it is caused by a worm, it is actually a fungal infection of the skin. How to recognize it: round bald patches on the skin flaking skin itching It can also be transmitted to humans, so it is important to seek treatment from a veterinarian. 🐱