OLD ENGLISH SHEEPDOG
Cardiovascular conditions
Dilated cardiomyopathy
- Believed to be familial or genetic
Persistent atrial standstill
Tricuspid dysplasia
- Congenital
Dermatological conditions
Pododemodicosis
Primary lymphoedema
Melanotrichia
Vitiligo
- Presumed to be hereditary
Drug reactions
Ivermectin and milbemycin
- High doses can cause tremors, ataxia, coma and death
Endocrine conditions
Hypothyroidism
Haematological/immunological conditions
Immune-mediated haemolytic anaemia
- Common disease
Immune-mediated thrombocytopenia
- Common
- Inheritance likely
Haemophilia B
- Also known as Christmas disease
Musculoskeletal conditions
Congenital elbow luxation
Sacrocaudal dysgenesis
- Congenital
Hip dysplasia
- Ninth worst mean-scoring breed in the BVA/KC Hip Dysplasia Scheme as of October 2001
Neoplastic conditions
Sweat gland tumour
Pilomatrixoma
- Possible breed predisposition
Keratoacanthoma
- This breed is predisposed to the generalised form of the disease
Nasal cavity tumours
- Reported to be at increased risk for nasal carcinoma
- Dogs in urban areas may be at increased risk
Neurological conditions
Congenital deafness
Primary brain tumours
- Higher incidence noted in this breed by some authors
Sacrocaudal dysgenesis
- Congenital
Ocular conditions
Microcornea
- Congenital
Cataract
Congenital hereditary cataract
- Inheritance suspected
Generalised progressive retinal atrophy (GPRA)
Micropapilla
- Congenital condition
Optic nerve hypoplasia
- Congenital condition
Multiple ocular defects
- Congenital
Renal and urinary conditions
Urethral sphincter mechanism incompetence (causing urinary incontinence)
- Possible breed predisposition in female dogs
Silica urolithiasis
- Higher incidence reported in this breed in some surveys
Reproductive conditions
Cryptorchidism
- Believed to be a breed at increased risk of the condition
