The Chihuahua
The following diseases are reported to occur more frequently in the Chihuahua 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. 

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If you do not find the disease that you are looking for in this list the disorder may not have been added yet, or it may not have 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. If you still can not find what you are looking for  e-mail us at info@provet.co.uk and we will make the information available as soon as possible.

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

• Cleft palate

Diseases affecting the gullet (oesophagus)

Diseases involving the pancreas

Diseases affecting the small intestine

Diseases affecting the large intestine

Heart valve disorders

• Atrioventricular valve endocardiosis (Mitral valve regurgitation)
• Pulmonic Stenosis

Abnormal development of major blood vessels to the heart

• Patent ductus arteriosus

Heart muscle disease

Cancer

• Melanoma
• Skin tumours
• Testicular tumours

Diseases of the eyeball

• Glaucoma (goniodysgenesis)

Diseases of the eyelids

Diseases of the third eyelid (nictitating membrane)

Diseases of the cornea

• Corneal dystrophy

Diseases of the lens

• Lens luxation

Diseases of the retina

• Neuronal ceroid lipofuscinosis

Immune system diseases

Kidney and Urinary tract disease

• Cystine urolithiasis

Liver diseases

Nervous system diseases

• Atlantoaxial subluxation
• Hydrocephalus
• Lysosomal storage disease (Ceroid lipofuscinosis)

Orthopaedic diseases

• Atlantoaxial subluxation
• Delayed or non-healing fractures of the distal radius and ulna
• Elbow luxation (congenital)
• Foramen magnum dysplasia
• Intervertebral disc disease
• Odontoid process dysplasia
• Patella dislocation (luxation)
• Radial agenesis (bilateral)

Reproductive disorders

• Cryptorchidism

Respiratory diseases

• Collapsed trachea

Skin diseases

• Alopecia (pinna)
• Alopecia (pattern baldness)
• Colour-dilution alopecia (blue)
• Malassezia dermatitis
• Skin tumours

Other

• Anal sac disease
• Inguinal hernia
• Scrotal hernia