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- > Horses: Hot spots in horses (skin inflammation) – PRP and MSC 2
Hot spot in horses (skin inflammation) – modern biological therapies
Introduction
Hot spots, or acute moist dermatitis, although more common in dogs, can also occur in horses. These lesions are usually caused by mechanical irritation (chafing from riding equipment, rugs), insect bites or allergic reactions. Rapidly developing inflammatory lesions cause pain, itching and discomfort, and if left untreated, they may become infected with bacteria.
Symptoms of hot spots in horses:
- oozing, moist lesions on the skin,
- redness and pain at the site of inflammation,
- intense rubbing of the horse against objects or biting of the skin,
- rapid enlargement of the lesion within 24–48 hours,
- secondary bacterial or fungal infections.
Standard treatment
Traditionally, treatment involves cleaning the lesions, shaving the hair around the affected area, applying antiseptic preparations, anti-inflammatory ointments, and topical antibiotics. Conventional treatment brings improvement, but does not always prevent recurrence, especially when the cause is an allergy or repeated abrasions.
Modern biological therapies
Mesenchymal stem cells (MSCs)
MSCs modulate the immune system, reduce inflammation, and support tissue regeneration. Used in horses with chronic or recurrent skin lesions, they can effectively reduce the frequency of recurrence.
👉 Check out how mesenchymal stem cells work
PRP – platelet-rich plasma
PRP supports skin regeneration, stimulates microcirculation, and has anti-inflammatory properties. When applied topically, it accelerates the healing of lesions and reduces the risk of secondary infections.
Therapy IL-1
In cases of severe, chronic skin inflammation, blocking the IL-1 pathway reduces the inflammatory response, reducing pain and promoting healing.
👉 Learn more about IL-1 pain therapy and treatment
Step-by-step approach
- Stage 1 – fresh, acute lesions: PRP as rapid support for healing processes.
- Stage 2 – chronic or recurrent hot spots: MSC to modulate immunity and skin regeneration.
- Stage 3 – difficult cases: IL-1 as a therapy to support inflammation and pain control.
Summary
Hot spots in horses are not only a dermatological problem, but also a sign of allergies, mechanical irritation, or immune disorders. Standard treatment focuses on symptoms, while modern biological therapies—PRP, MSC, and IL-1—address the root cause, supporting skin regeneration and reducing recurrence.
FAQ
Less common than in dogs, but they can occur, especially with abrasions from equipment or allergies.
Yes – PRP applied to the affected area is safe and accelerates healing.
They reduce inflammation, support regeneration, and reduce the frequency of relapses.
No—this therapy is used in severe cases when other methods fail.
