Parasites in cats are great at escaping our eyes. This is why, for the most of the time, we can be completely unaware of them.

Feline urticaria pigmentosa is a form of a condition known as cutaneous mastocytosis and it is caused by the accumulation of the defective mast cells.

Cystinuria in cats is an inherited metabolic disease characterized by defective amino acid reabsorption, leading to the formation of cystine stones.