Yeast (candida) is a normal part of the digestive Flora and, in a healty dog or person, is kept 'under control' by a strong proliferation of the beneficial bacteria. Your dog will have a yeast problem when the necessary bacteria is destroyed by outside factors, most frequently vaccination reactions. That same bacteria, when present in healthy amounts, also accounts for as much as 70% of immune function; therefore, its destruction can desimate much of immune system capabilities.
There are multiple underlying causes for dog skin sores including parasites (fleas, mites), poor grooming, dog skin infection (bacterial pyoderma, fungal), endocrine diseases, skin or hair follicle disorders disorders such as seborrhea, medication side effects (from corticosteroids) and allergy.
Cause of skin rash blisters are friction blister are caused by intense pressure or rubbing of exposed skin for a brief period of time. Burn blisters can be caused by a flame, steam, or contact with a hot surface, severe sunburns or exposure to other types of radiation. Other possible causes of itchy blisters include a viral illness, such as chickenpox or shingles. 2  Red bumps may turn into blisters... 3  Blister healing-A blister is a small pocket of fluid in the upper skin layers and is one of the bodyâs responses to injury or pressure. 4  The feet are particularly prone to blisters.