Hot Spots on Dogs
Grooming Mistakes That Can Lead to Hot Spots on Dogs
Grooming is an essential part of a dog's health, but common mistakes during this routine can inadvertently cause hot spots, which are areas of inflamed, infected skin.
By Dr. Isabella Miao
6 min read
Grooming is essential for a dog's health, comfort, and appearance. However, common errors during grooming—whether at home or by a professional—can inadvertently cause hot spots (acute moist dermatitis). These painful, infected lesions often appear quickly after grooming sessions due to moisture, skin trauma, or product reactions.
In this comprehensive guide, you'll learn:
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The most frequent grooming errors that lead to hot spots
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The science behind how these mistakes harm skin
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Practical prevention tips
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Treatment steps if a hot spot appears
Understanding Hot Spots
Before tackling mistakes, it’s crucial to understand hot spots.
What are hot spots?
Also known as acute moist dermatitis, hot spots are red, inflamed, oozing lesions that develop when a dog excessively licks, chews, or scratches a specific skin area. This creates a cycle of self-trauma and infection, often worsened by grooming-related causes like moisture and skin irritation.
Why grooming matters:
Grooming affects skin integrity. If not done properly, it can strip natural oils, trap moisture, irritate the skin, or cause abrasions—all prime conditions for hot spots.
Grooming Mistakes That Can Lead to Hot Spots on Dogs
Dog grooming refers to the routine care practices that help maintain a dog’s hygiene, health, and appearance. Common Dog Grooming Tasks Include:
- Brushing the coat to remove tangles, dirt, and loose fur
- Bathing with dog-safe shampoo
- Clipping or trimming fur (especially around sensitive areas)
- Ear cleaning to prevent infections
- Nail trimming
- Teeth cleaning
- Anal gland expression (when necessary)
Proper grooming is good for a dog's skin health. However, grooming can sometimes cause more harm than good. Mistakes made in the grooming process can lead to skin problems in dogs, such as hot spots. Hot spots can be bothersome for dogs and their owners. Check the grooming process to see if any mistakes have been made by following the explanations of common mistakes.
Mistake 1: Not Drying Thoroughly After Bathing
Why this matters
Wet or damp fur traps moisture against the skin. Without proper drying—especially in hidden areas like ears, groin, armpits, or between toes—bacteria and yeast thrive. Moisture-laden skin becomes a breeding ground for hot spots.
Even air-drying isn’t enough
A Reddit groomer noted: “Maybe … leaving an area of the skin damp by not drying thoroughly … has the same effect to a dog with sensitive skin.” 
Prevention tips
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Towel-dry thoroughly immediately post-bath
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Use a low-heat pet dryer, focusing under fur folds
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Ensure areas like ears and paws are completely dry
Mistake 2: Ignoring Matting and Unkempt Fur
How mats lead to hot spots
Matted fur traps dirt, moisture, and debris close to skin, preventing proper airflow and promoting bacterial growth. Persistent licking of irritated mats can also cause lesions.
Real-world consequences
From Reddit: “I did the dog … and today got a call saying that the dog has developed raw patches … It probably is because of the groom but … mats have sat on it and need to be shaved short.”
Another user says: “Mild hair mats … can lead to pain and skin infections—similar to hot spots.”
Prevention tips
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Brush regularly, especially long/coarse coats
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Detangle carefully to avoid skin tears
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Trim out matted areas or seek professional help early
Mistake 3: Clipper Burns and Abrasions
What’s clipper burn?
It occurs when a clipper overheats or is used aggressively—resulting in friction, heat-induced skin burns, or micro-cuts.
Grooming consequences
One groomer warns: “Clipper abrasion … from using misaligned clipper blades … or dirty or dull blade that pulls the hair rather than cuts.”
These injuries can quickly escalate to hot spots once the dog licks or chews at them.
Prevention tips
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Check blade temperature on your forearm regularly
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Clean, oil, and sharpen blades often
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Use gentle, blade-skin angle
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For sensitive areas (e.g., face, groin), shave wet or add moisture
Mistake 4: Shampoo & Product Reactions
Residues and allergies
Harsh shampoos or leaving residue can irritate skin. In some cases, dogs develop allergic reactions to fragrances or chemicals.
Potential triggers
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Shampoo residue lodging under fur
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Fragranced or medicated products causing irritation
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New or frequent shampooing stripping oils
Prevention tips
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Use hypoallergenic, veterinary-approved shampoos
Hypoallergenic Puainta® Banov Shampoo is aimed at addressing allergies, itching, and revitalizing both your skin and hair. Its plant-added formula helps dogs' and cats' skin health and helps improve fur problems. This shampoo is suitable for treating dandruff, itchiness, large areas of ringworm, and skin conditions such as hot spots. -
Rinse thoroughly until suds are gone
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Limit baths to a healthy routine frequency
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Patch test new products
Mistake 5: Improper Brushing Techniques
Micro-abrasions from harsh brushing
Aggressive brushing or using the wrong tool can damage the skin, allowing bacteria entry.
Prevention tips
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Choose brushes suited for your dog's coat type
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Brush gently in direction of hair growth
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Use de-shedding tools carefully on thick coats
Mistake 6: Over-Grooming Sensitive Areas (Ears, Anal, Between Toes)
Problem zones
Areas under collars, ears, groin, and between toes retain moisture. Grooming these areas without care can inflame skin.
Real danger alert
Ignoring ear care leads to infections, which in turn cause scratching and hot spots.
Prevention tips
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Thoroughly dry ears after baths
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Be calm and gentle when trimming anal area
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Always sanitize tools before working on these zones
Mistake 7: Neglecting Moisture-Prone Spots (Ears, Groin, Feet)
Why is moisture harmful
Touchpoints like armpits or feet trap sweat, humidity, water, and debris, encouraging bacterial growth.
Prevention tips
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Focus drying attention here post-bath or outdoors
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Wipe or air out after swimming
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Inspect folds and paw spaces regularly
Mistake 8: Using the Wrong Tools
Flat blades and metal brushes are too stiff
They can scratch or pull skin, creating openings for infections.
Prevention tips
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Learn the correct tool for coat type: slicker, comb, undercoat rake
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Dull or broken tools? Replace or sharpen them
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Replace worn clippers and blades
The Grooming–Hot Spot Cycle
Grooming mistake →Skin trauma or moisture retention →Dog licks, chews, or scratches →Bacteria infect the lesion →Hot spot forms and spreads
Proper grooming interrupts this cycle before infection takes hold.
General Best Practices for Grooming
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Brush Before Bathing – Detangle first to avoid mats becoming wetter.
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Clip Mats Carefully – Don’t force through—trim them out.
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Use Proper Shampoos – Fragrance-free, pH-balanced, or vet-recommended.
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Rinse Thoroughly – No soap residue left.
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Dry Completely – Towel, then low-heat blow dryer.
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Inspect Close to Skin – Use combs to check for irritation or matting.
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Sterilize Tools – Keep blades, brushes, and tubs clean.
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Replace Worn Equipment – Avoid dull blades or stiff bristles.
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Monitor Post-Groom – Watch for redness, licking, or lesions within 3–5 days.
Treating Grooming‑Induced Hot Spots
Immediate steps
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Clip the area to expose the lesion
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Clean wounds with vet-approved antiseptic
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Dry with powder (e.g. medicated corn starch)
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Topical treatment: antibiotics/antifungal/anti-inflammatory/anti-itch
Puainta® Quantum Silver Anti-itch & Antifungal Skin Spray can help soothe, dry out, and heal damp “Hot Spots”. It deodorizes and helps relieve fungal and bacterial skin infections, relieves itchy skin, and helps control the spread of lesions. This spray provides immediate relief from itching for your dog's hot spots without stinging.
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Protect with an Elizabethan collar
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Use soothing products (witch hazel, calamine)
From grooming forums: “We pat corn starch on dogs that have to get close shaves to lower the irritation.”
When vet intervention is needed
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Oral antibiotics for deeper infection
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Prescription topical treatment
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Allergy or underlying issue testing
When recurring, dig deeper into environmental causes—parasites, collars, allergies.
When to See a Vet
Seek veterinary care ASAP if:
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Hot spot spreads beyond grooming area
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Lesion is hot, pulsing, or smells foul
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Your dog is in pain, lethargic, or stops eating
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Infection seems deep rather than surface-level
Conclusion
Grooming is a vital component of canine health—but common errors during this routine can inadvertently trigger hot spots. Mistakes like improper drying, matting, clipper burns, harsh products, and neglecting sensitive zones are frequent culprits.
By avoiding these eight grooming pitfalls and adopting proactive practices, you can keep your dog's skin healthy and free from irritation. If grooming does cause issues, early intervention—both at home and from the vet—can help your dog heal quickly and prevent long-term skin problems.
About the author
Isabella Miao,DVM
Veterinarian
Dr.Isabella Miao is a compassionate and dedicated veterinarian with over 10 years of experience in providing exceptional care to pets of all kinds. Specializing in both preventative medicine and emergency care, Dr. Miao has a deep passion for promoting the overall health and well-being of animals. Her extensive knowledge, combined with her empathetic approach, has earned her the trust and admiration of pet owners and colleagues alike.
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