Poor grooming practices, whether due to the animal's inability to reach certain areas or neglect from an owner, allow loose hair and debris to accumulate, further irritating the skin and setting the stage for a hot spot to form. The initial trigger is often allergic dermatitis, which can stem from environmental allergens like pollen and dust mites, or from food sensitivities.
What Are Hot Spots Caused By Immune System Issues
Hot spots, those intensely itchy, inflamed patches of skin that appear seemingly overnight, are a common source of significant discomfort for many animals. Parasites, particularly fleas, are a major culprit; a single flea bite on a sensitive animal can create an unbearable itch that leads to frantic scratching.
Conditions such as hypothyroidism or Cushing's disease can weaken the skin's integrity and suppress the immune system, making an animal more susceptible to these painful lesions. Any minor injury, abrasion, or even excessive licking from a surgical incision can evolve into a hot spot if the healing process is disturbed by continued licking.
Hot Spots Triggered by Immune System Dysfunction
The initial itch leads to scratching, which damages the skin. These acute, moist dermatitis lesions develop rapidly when a pet licks, chews, or scratches an area of skin relentlessly.
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