it is a characteristic manifestation of deficiency of ESSENTIAL FATTY ACIDS (LINOLEIC & LINOLENIC ACIDS).
A deficiency of Vitamin B2 can cause diabetes, intestinal disease, and Fibromyalgia.
Pyometra, is a primary disease of the skin and haircoat. Also Hypothyroidism (Deficiency of the Thyroid hormone) will cause hair loss over the back of the animal.
The deficiency of Vitamin B6 causes depression, nauseas, vomiting, skin disorders, anemia, and kidney stones.
Scaly Skin
Bacteria!!
Scleroderma (Systemic Sclerosis)
It slows down in the body's metabolism, making people feel the cold more. Severe deficiency causes pellagra. The name 'pellagra' comes from Italian for 'rough skin'
lukemia
A UTI
There are hundreds of different skin diseases. Acne is one of the most common. Nearly $2 billion is spent yearly treating and preventing it. skin cancer is another type of common skin disease. Psoriasis is another common skin disease. This non-contagious condition causes scaly patches to develop on the skin. Rosacea is an inflammatory disease of the skin that causes redness on the face.
It was scurvy - a disease causing weakness, anaemia, gingivitis (gum disease - teeth falling out), and skin haemorrhages caused by a prolonged deficiency of vitamin C (ascorbic acid) in the sailors' diet.
Skin diseases can be caused by viruses, fungi, bacteria, or parasites.