Mucopolysaccharidosis in cats is a group of metabolic disorders characterized by an enzymatic deficiency and improper digestion of glycosaminoglycans (GAGs). There are three types of feline mucopolysaccharidosis described: MPS I, MPS VI and MPS VII.

Asthma is a long-term inflammatory disease of the airways of the lungs. It is fairly common in people, but we often overlook the fact that it occurs in cats as well.

Alpha mannosidosis is a lysosomal storage disorder which results in the decreased efficiency of the production of an enzyme called alpha-D-mannosidase.