Mild hotspot on head of Golden Retriever with fur shaved around it

Dog Hot Spot: The Dog Owner's Ultimate Guide to Acute Moist Dermatitis

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September and pumpkin spice lattes are here! Falling leaves, sweater weather, and…allergies. In veterinary medicine, we often see pets coming in for excessive licking, tummy rashes, and other allergy symptoms.

Following closely behind these is another common condition known as the canine hotspot. These ugly sores can hide beneath your pet’s fur and grow to alarming sizes before being noticed.

Before and after of Lavengel healing severe, extensive hot spot rash on back of brindle pitbull mix dog

Before/after of an extensive hot spot rash on a rescue dog (Samson) that was treated with Lavengel. You can about his case and others on our Real Stories page.

Recognizing a Hot Spot on Your Dog

So, what exactly is a canine hot spot? Hot spots are known as pyotraumatic dermatitis or acute moist dermatitis. This skin condition occurs mainly in response to excessive irritations in a specific area of your pet’s body.

These are most commonly found around the head, neck, and the hips/tail. Hot spots can be identified by a few key characteristics:

  • Red and inflamed area of skin.
  • Skin appears to be raw and ‘angry.’
  • Pus or discharge may be present.
  • The fur around the area may be matted or missing.
  • There is scabbing in and around the area.
  • Your pet seems to be painful around this area.

Mild hot spot with fur missing on back of Golden Retriever's head

Mitigate Skin Allergies

Allergies are super common in dogs, especially in the spring and fall. They suffer from seasonal allergies as well as food allergies that can cause super itchy skin. As the desire to scratch increases, so does the need to lick and chew their itchy skin!

The typical first line of treatment for your pets’ seasonal allergies is an antihistamine oral regimen (food based allergies are a different story for a different blog 😉). However, if this doesn’t provide effective relief for those extra itchy guys, talk to your veterinarian about beefing up your anti-itch arsenal.

Check Collar and Harness Tightness

This area ties in with our first point as well. It’s common to see hot spots develop underneath collars and harnesses as this point of contact does not allow moisture to escape nor appropriate airflow for it to dry - especially after swimming or on humid days.

Be sure to remove your pet’s collar frequently, check for wet areas, adjust sizing (you should be able to fit two fingers under your pet’s collar at all times), and allow the skin to breathe.

Watch for Excessive Itching

If your pet is scratching or chewing more than usual, be sure to inspect the area right away. It is easy to forget flea prevention or to dry your pet after a frolic in the yard sprinkler. Being mindful of normal behaviors will allow you to be more alert to when an unusual problem arises.

If your pet is licking/chewing an area that is becoming red and inflamed, try to deter them from the area. The more they disturb the skin, the itchier it gets! You can use a t-shirt or sock to cover the area, or in some cases a “cone of shame” may be needed to keep your pet from chewing.

Bright red hot spot on head of Golden Retriever

Regular Grooming and Hair Trim

Give dogs with thick or long hair a trim for the summer and fall seasons. This will allow more air to reach the skin. And don’t worry, your pet’s hair should be growing in for the winter months without any issue!

What’s the Treatment for Hot Spots?

Okay, so you’re enjoying your warm pumpkin spice latte, and Rover has been driving you nuts with super itchy skin. You check out what all the fuss is about, and now you notice an angry inflamed sore on his back that seemingly grew overnight! What do you do?

Three images of healing progression of hotspot on groin of Siberian Husky treated with Lavengel over 14 day period

Progression of hotspot on the belly of a husky (Kierra) treated with Lavengel®. You can read about her case and others on our Real Stories section.

Determine Location, Size, and Severity

Try to figure out the location, size, and severity of the area. Hot spots can hide under dense coats and "covered" areas, so check to see where the margin of the area stops. (Note: Hot spots can be quite painful. Be careful when handling your pet! If your pet is too painful, skip the first step!)

Apply Lavengel to the Hot Spot

Put some Lavengel on it! Lavengel has been shown to decrease pain and inflammation, reduce or eradicate bacterial burden (i.e., it’s antibacterial), and stimulate wound healing through collagen formation.

Although Lavengel is safe for your dog, if they are still licking the area, it’s best to try and reduce their access to the area for several minutes after application. This gives Lavengel time to work its magic and reduce the need to scratch!

Consult with Your Vet

Call your veterinarian to have your pet’s skin checked. If the hotspot on your pet looks severe or is recurring after treatment, it is definitely recommended to see you regular veterinarian. In these cases, avoid using any OTC antimicrobial products before being seen.

Your pet’s doctor may recommend taking a bacterial sample to culture. This will help evaluate what pesky bug is causing a recurring problem for your pet and allow for the selection of an appropriate and effective antibiotic treatment. Using OTC medication may alter these results. A more aggressive treatment may be necessary for a recurring skin problem.

Deeper Dive: What Makes Lavengel Great for Hot Spots

Why do we recommend Lavengel for your dog’s sneaky hotspot? It’s because Lavengel has been clinically shown to reduce pain and inflammation, bacterial burden, and help your pet’s skin to heal quickly.

Once the skin barrier has been disrupted, the bacteria can begin to proliferate, or grow, causing a superficial infection - often referred to as pyoderma. A common bacterial strain in canine hot spots is Staphylococcus pseudintermedius - a cousin of Staphylococcus aureus that affects humans.

Live stain fluorescent dye analysis of Lavengel versus Staphylococcus pseudintermedius bacteria

Live fluorescent dye assay (test) of Staphylococcus pseudintermedius with and without 8% Lavengel. Each bright green dot represents a live colony of bacteria, with an enormous difference between the control and Lavengel groups.

This strain is commonly found on the skin and in the mouth of cats and dogs, and it is usually harmless to your pet (and you, so don’t worry about those puppy kisses). As the skin gets increasingly damaged, you may see pus, loss of fur, and eventually a foul odor coming from the area.

Many times, the bacteria in acute moist dermatitis infections can form biofilms (you can learn about these in our Biofilms post). These biofilms serve as a protective layer to the bacteria that live beneath them, acting as a shield to many topical antimicrobial products.

This is where Lavengel shines! Lavengel has the ability to break down and penetrate many types of biofilms to kill the bacteria harbored there. It even has a U.S. patent for its effectiveness against Staph bacteria - including methicillin-resistant Staphylococcus pseudintermedius (MRSP) and methicillin-resistant Staphylococcus aureus (MRSA)!

No one wants to see their pet suffering with an annoying and painful skin condition. Lavengel is a topical OTC product that you can have on hand to treat all sorts of cuts, scrapes, and abrasions at home. Hotspots can be added to that list!

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**Friendly Disclaimer: Please seek medical treatment for your pet if at any time you are concerned about an uncontrolled infection, injury, or medication. This blog does not substitute for medical advice from your veterinarian.

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About the Author

Tasha Nelson, M.S., Researcher and Veterinary Assistant

Tasha Nelson Phillips is a veterinary assistant and researcher. She began her work in veterinary medicine in 2014 at a small practice in East Tennessee. She has a B.S. in Biology as well as a Master’s degree in Microbiology from East Tennessee State University. Her undergraduate and graduate research focused on Lavengel®, exploring its efficacy and mechanism of action against common bacterial species.

Tasha’s interests focus on natural antimicrobial options and exploring novel compounds to combat antibiotic resistance. She continues to work in small animal emergency and critical care medicine. She spends her free time with her husband and three furry babies in their East Tennessee home.