The  Yorkshire Terrier
The following diseases are reported to occur more frequently in the Yorkshire  Terrier than in the general dog population. In some cases the disease either has, or is believed to have, a genetic, hereditary cause but many of the diseases listed here do not have a proven genetic basis. 

If you do not find the disease that you are looking for in this list the disorder has probably not been reported to occur more frequently in this breed than in the dog population as a whole. Try to find it through the search button.

Alimentary tract diseases
This section includes diseases that involve the mouth, oesophagus (gullet), stomach, small intestine (duodenum and ileum), large intestine (colon and rectum), liver and pancreas.

Diseases involving the mouth

Diseases affecting the gullet (oesophagus)

Diseases involving the pancreas

Diseases affecting the small intestine

• Lymphangiectasia

Diseases affecting the large intestine

According to a UK survey  (1999) Yorkshire  Terriers have a low risk of dying from cancer CLICK HERE

• Keratoacanthoma
• Pituitary tumour (resulting in Cushing's)
• Testicular neoplasia

Heart valve disorders

• Atrioventricular valve endocardiosis

Abnormal development of major blood vessels to the heart

• Patent ductus arteriosus

Heart muscle disease

Diseases of the eyeball

Diseases of the eyelids

• Distichiasis

Diseases of the third eyelid (nictitating membrane)

Diseases of the cornea

• Keratoconjunctivitis sicca (congenital dry eye)

Diseases of the lens

• Cataract

Diseases of the retina

• Progressive retinal atrophy (generalised)
• Retinal dysplasia

Hormonal diseases

• Cushing's syndrome (hyperadrenocorticism)

Immune system diseases

Kidney & Urinary tract diseases

• Urolithiasis - calcium oxalate
• Urolithiasis - calcium phosphate
• Urolithiasis - silica
• Urolithiasis - struvite
• Urolithiasis - urate

Liver diseases

• Hepatic lipidosis
• Microvascular portal dysplasia
• Portosystemic shunts (congenital)

Nervous system diseases

• Atlantoaxial subluxation
• Encephalitis
• Hemivertebrae
• Hydrocephalus

Orthopaedic diseases

• Atlantoaxial subluxation
• Cartilaginous exostoses
• Delayed or non-union distal radius and ulna fractures
• Elbow luxation (congenital)
• Hemivertebrae
• Legg-Calve-Perthe's disease
• Odontoid process dysplasia
• Intervertebral disc disease
• Patellar luxation

Reproductive disorders

• Cryptorchidism
• Testicular neoplasia

Respiratory diseases

• Chronic bronchial disease
• Tracheal collapse

Skin diseases

• Colour-dilution alopecia (blue)
• Dermoid sinus
• Follicular dysplasia (cyclic)
• Hypotrichosis (congenital)
• Ichthyosis
• Melanoderma and alopecia
• Rabies vaccine-associated vasculitis and alopecia
• Short hair syndrome
• Skin tumours

Other

• Alopecia at glucocorticoid injection site