How to Treat Hot Spots in Dogs

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A hot spot, or what veterinarians term "acute moist dermatitis," is a painful and inflamed area of the skin that is often accompanied by discharge and a bad odor. Hot spots occur via allergic reactions to bacterial skin infections often caused by a lesion or wound. Skin breaks, lesions, and wounds can have a variety of causes, including flea bites, scratches, scrapes or nicks, anal gland problems, and underlying allergies. Dogs often itch and scratch skin breaks and wounds to such an extent that wet scabs form on the fur. [1] Hot spots can be painful for dogs and can become very large quite quickly. It is important to seek prompt and adequate treatment if you notice a hot spot on your dog.

Things You Should Know

  • Hot spots are red, inflamed patches of skin that may ooze pus and feel moist and sticky. Your dog may lose fur around the area.
  • Once you start treating the hot spot, it should dry out and develop a scab.
  • Eventually, the scab will fall off and expose healthy skin underneath.
Part 1
Part 1 of 3:

Identifying Hot Spots

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  1. Examine more closely the problem area you have identified. Hot spots can be difficult to see with the naked eye because they tend to spread under the cover of the dog's fur. Usually by the time you notice them, hot spots are well established and growing rapidly. [2]
    • Notice if your dog scratches or licks a particular spot constantly. This is usually a sign that he is suffering from some sort of skin irritation.
  2. Hot spots are red, moist, hot and irritated rashes. Other identifiers of hot spots include discharge and an unpleasant odor. [3]
    • Hot spots are commonly found on a dog's head, hip or chest area, but they can be found pretty much anywhere.
    • Dogs with long hair and thick coats are most commonly affected.
    • Dogs who are not groomed regularly and have matted coats are also prone to developing hot spots, as are dogs who swim or are frequently in the rain.
    • Dogs with hip dysplasia or anal sac disease are also more likely to suffer from hot spots because they tend to lick the skin on their hind end.
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  3. If you do identify a hot spot, take some time to carefully check the rest of the dog’s skin. Part the fur in the area surrounding the hot spot and examine for any other moist or reddened areas. All spots need to be treated immediately and, if possible, you should try to ascertain the underlying cause of the hot spot (flea bite, scratch, allergy, etc.). [4]
  4. If this is your dog's first hot spot, seeing a vet is crucial. Your vet can give you an accurate diagnosis and develop an appropriate treatment plan.
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Part 2
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Cleaning the Affected Area

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  1. Exposing the hot spot to air will dry out the moisture and help speed up the healing process. Be careful not to pull the hair, irritate the skin or cut your dog's skin. [5]
    • Disinfect your scissors or clippers before clipping. In cases where there is a lot of discharge emerging from the hot spot, you will need to clean your clippers frequently while removing hair. Otherwise, the clippers will become plugged with debris. Remember to clean and disinfect the instrument after use. [6]
    • Have your dog sit or lie down for this process. Get a second person if you need help keeping the dog still.
    • To avoid accidentally cutting your dog's skin, don't cut too close to the skin itself and instead leave a quarter inch of stubble. [7]
    • If the affected area is too large, shave it. [8]
  2. Use an antimicrobial shampoo that you can purchase at a vet's office or a pharmacy for humans. [9]
    • A good product will contain chlorhexidine as an ingredient. [10]
    • You can also clean the area with a mild, water-based astringent or antiseptic spray. [11]
    • Consult your veterinarian before use of any product on a hot spot. [12]
  3. This will allow the medication in the shampoo to settle into the affected area and begin working. Rinse thoroughly after 10 minutes and dry the affected area completely. [13]
    • If using an alternative solution, read and follow the accompanying instructions on how to apply.
  4. Your vet will usually prescribe a topical medication, such as a Gentamicin or Betamethasone spray. Your vet may also recommend oral antibiotics, depending on the situation. [14]
    • You can apply an antibiotic treatment on the wound up to three times per day. [15]
  5. The air will help the wound heal more effectively, whereas more moisture will facilitate the wound's growth.
    • Keep in mind that hot spots can't be covered with a bandage because this traps moisture in and thereby worsens the wound. [16]
  6. If there is a buildup of discharge, repeat the shampoo process (shampoo, rinse, dry) to keep the wound clean. [17]
  7. This check should be done daily, particularly if it is hot or humid out.
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Part 3
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Preventing Further Injury

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  1. The best way to relieve itching is with an antibiotic prescribed by your vet. Your vet may prescribe a cream antibiotic that is applied directly to the skin in order to quickly and directly relieve the itching. [18]
    • Hydrocortisone spray can help reduce the irritation, but should not be used long term.
    • Antihistamines such as Benadryl may also provide some relief. The appropriate dosage is 1 tablet per 50 pounds.
    • Avoid putting creams intended for humans onto your dog's skin, as this can make matters worse. Creams keep moisture in the area, and the spot needs to dry completely before it can heal.
  2. The cone-shaped collar will restrain your dog's reach, making him unable to further irritate the wound. [19]
    • An Elizabethan collar should not be used as the sole means of treatment for hot spots. Collars don't treat the hot spots but prevent your dog from making the lesions more severe. Untreated lesions will only grow and become more serious, in addition to being painful for your dog.
    • You can wrap a sock around one of the dog's rear feet and tape it into place if the hot spot can be scratched by a rear foot.
    EXPERT TIP

    Ray Spragley, DVM

    Veterinarian
    Dr. Ray Spragley is a Doctor of Veterinary Medicine and the Owner/Founder of Zen Dog Veterinary Care PLLC in New York. With experience in multiple institutions and private practices, Dr. Spragley’s specializations and interests include non-surgical management of cranial cruciate ligament tears, Intervertebral Disk Disease(IVDD), and pain management in osteoarthritis. Dr. Spragley holds a BS in Biology from SUNY Albany and has a Doctor of Veterinary Medicine degree (DVM) from Ross University School of Veterinary Medicine. He is also a Certified Canine Rehabilitation Therapist (CCRT) through the Canine Rehab Institute as well as a Certified Veterinary Acupuncturist (CVA) through Chi University.
    Ray Spragley, DVM
    Veterinarian

    Deter dogs from licking their wounds. Skin rashes, hot spots, and intertrigo won't properly heal if dogs lick, bite, and scratch them, introducing more bacteria into already inflamed areas. Use an Elizabethan collar to prevent interference so that topical ointments and medications can fully clear up the irritated skin.

  3. This keeps your dog from having a ready way to scratch the area and spread the infected discharge. [20]
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Expert Q&A

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  • Question
    Can I use coconut oil on my dog's hot spots?
    Pippa Elliott, MRCVS
    Veterinarian
    Dr. Elliott, BVMS, MRCVS is a veterinarian with over 30 years of experience in veterinary surgery and companion animal practice. She graduated from the University of Glasgow in 1987 with a degree in veterinary medicine and surgery. She has worked at the same animal clinic in her hometown for over 20 years.
    Pippa Elliott, MRCVS
    Veterinarian
    Expert Answer
    I wouldn't recommend it. Coconut oil is said to have antibacterial properties, but these are very mild. There's a greater risk that the oil will reduce the air circulation to the skin and prevent the skin from drying up.
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  • Question
    What home remedy can I use for a hot spot on a dog?
    Pippa Elliott, MRCVS
    Veterinarian
    Dr. Elliott, BVMS, MRCVS is a veterinarian with over 30 years of experience in veterinary surgery and companion animal practice. She graduated from the University of Glasgow in 1987 with a degree in veterinary medicine and surgery. She has worked at the same animal clinic in her hometown for over 20 years.
    Pippa Elliott, MRCVS
    Veterinarian
    Expert Answer
    It's a good idea to clip the fur around the area to let more air get to the skin (do this carefully so you don't damage the skin). Also, keep the hot spot as clean as possible by bathing it with weak salt water twice daily. If the hot spot is very sticky or sore, then see a vet immediately.
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  • Question
    Is apple cider vinegar good for dog hot spots?
    Pippa Elliott, MRCVS
    Veterinarian
    Dr. Elliott, BVMS, MRCVS is a veterinarian with over 30 years of experience in veterinary surgery and companion animal practice. She graduated from the University of Glasgow in 1987 with a degree in veterinary medicine and surgery. She has worked at the same animal clinic in her hometown for over 20 years.
    Pippa Elliott, MRCVS
    Veterinarian
    Expert Answer
    Some people do use diluted apple cider vinegar for hot spots because of its mild antibacterial properties. However, make sure it is well diluted (as it will sting) and do not use it if the skin is very sore or inflamed. Always see a vet is the hot spot is deeply infected.
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      Tips

      • A number of conditions can cause a dog to develop a hot spot, but you can try to mitigate these conditions. For example, if your dog has a particular allergy or a food sensitivity, work with your veterinarian to decrease symptoms and flare ups. [21]
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      • Prevent hot spots. Make sure your dog is regularly groomed and that his hair is clipped short, particularly during the warm seasons. Be sure as well to follow a flea control program as advised by your vet. As a general rule, promptly treat any scratches, nicks or cuts and inspect them daily until they are fully treated.
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      Warnings

      • It's a good practice to have your vet diagnose any and all skin rashes, abnormalities or wounds on your dog.
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      • In severe cases, hot spots can do serious damage to the skin of a dog. Though scarring is rare, it can sometimes be a consequence of hot spots. [22]
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      References

      1. ↑ https://www.akc.org/expert-advice/health/treating-and-preventing-hot-spots-on-dogs/
      2. ↑ https://www.akc.org/expert-advice/health/treating-and-preventing-hot-spots-on-dogs/
      3. ↑ https://www.amcny.org/pet_health_library/hot-spots-on-dogs/
      4. ↑ https://www.amcny.org/pet_health_library/hot-spots-on-dogs/
      5. ↑ https://www.mspca.org/angell_services/hot-spots-in-dogs/
      6. ↑ https://www.mspca.org/angell_services/hot-spots-in-dogs/
      7. ↑ https://www.rspcapetinsurance.org.au/pet-care/health-and-wellbeing/prevent-pet-hot-spots
      8. ↑ https://www.rspcapetinsurance.org.au/pet-care/health-and-wellbeing/prevent-pet-hot-spots
      9. ↑ https://www.rspcapetinsurance.org.au/pet-care/health-and-wellbeing/prevent-pet-hot-spots
      1. ↑ https://www.bluecross.org.uk/advice/dog/health-and-injuries/hot-spots-on-dogs
      2. ↑ https://www.bluecross.org.uk/advice/dog/health-and-injuries/hot-spots-on-dogs
      3. ↑ https://www.bluecross.org.uk/advice/dog/health-and-injuries/hot-spots-on-dogs
      4. ↑ https://www.pdsa.org.uk/pet-help-and-advice/pet-health-hub/conditions/hot-spots-acute-moist-dermatitis-in-dogs
      5. ↑ https://www.pdsa.org.uk/pet-help-and-advice/pet-health-hub/conditions/hot-spots-acute-moist-dermatitis-in-dogs
      6. ↑ https://hemopet.org/hot-spots-on-dogs/
      7. ↑ https://hemopet.org/hot-spots-on-dogs/
      8. ↑ https://www.dvgrr.org/wp-content/uploads/2015/11/Education_Health_Dealing_with_Hot_Spots.pdf
      9. ↑ https://www.dvgrr.org/wp-content/uploads/2015/11/Education_Health_Dealing_with_Hot_Spots.pdf
      10. ↑ https://mogsrescue.rescuegroups.org/info/file?file=20931.pdf
      11. ↑ https://fureverfriendsnc.org/treating-hot-spot-on-your-dog/
      12. ↑ https://fureverfriendsnc.org/treating-hot-spot-on-your-dog/
      13. ↑ https://mogsrescue.rescuegroups.org/info/file?file=20931.pdf

      About This Article

      Article Summary X

      To treat hot spots in dogs, start by clipping the hair from the surface of the hot spot to expose it to air and dry out the moisture. Next, use an antimicrobial shampoo to clean the area, allowing the soap to set for 10 minutes before rinsing off. Once the dog is clean, have your vet recommend an antibiotic ointment or spray. While the area heals, keep it dry, clean, and unbandaged so no moisture collects around it. For more tips from our Veterinarian reviewer, including how to stop the itching for your dog, keep reading!

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