Is your dog scratching, chewing, or licking their skin a lot lately? While occasional itches are normal, if your dog is scratching more than usual, displaying signs of discomfort, or scratching to the point of having red or scabbed skin, they might need veterinary attention. Some of the most common causes of dog itching include canine allergies, environmental irritants, skin parasites, and dry skin.
In this article, we talk about the most common causes of dog itching, when dog itching remedies are appropriate to use, and more.
Dog Itching: 9 Most Common Causes
The following are the most common causes of dog itching, along with some tips as to whether or not you need to take your dog to a veterinarian:
1. Ticks, Fleas, & Flea Allergy Dermatitis
Fleas and ticks are so commonly associated with dog itching that to many pet parents, they may be the first thing that comes to mind when they see a dog scratching. But have you ever wondered why fleas and ticks cause itching in dogs? It’s because of certain proteins in flea/tick saliva.
The dog’s immune system detects the saliva proteins as foreign invaders, triggering an inflammatory response and itching. Unfortunately, flea and tick saliva can also carry diseases, such as:
- Fleas – tapeworms, cat scratch fever, and more.
- Ticks – Lyme disease, ehrlichiosis, anaplasmosis, and more.
Dogs can also be allergic to tick or flea saliva, with the latter being more common and intense. Flea allergy dermatitis (FAD) in dogs can lead to severe itching in dogs, even from just one flea bite.
Do you need to see a vet?: If your dog has visible ticks, fleas, or flea dirt, we recommend consulting a veterinarian for treatment and flea/tick preventatives for dogs. If you suspect that your dog has an intense allergic reaction to a flea bite or FAD, and is in distress, you can call a same-day veterinarian like Sploot for prompt itch relief.
2. Environmental or Seasonal Allergies in Dogs
Some dogs suffer from environmental or seasonal allergies to substances like pollen, dust mites, or fungal spores. When the dog’s immune system reacts to these substances, they can get symptoms like itching, hair loss from persistent scratching, and recurring dog ear infections. These symptoms can also manifest in canine food allergies.
A few additional symptoms that point to environmental allergies include:
- Sneezing, coughing, nasal discharge, and difficulty breathing – As the allergens are inhaled, allergic reactions can trigger respiratory issues.
- Atopic dermatitis – This is a skin condition marked by inflammation and persistent itching. It is most commonly linked to environmental or seasonal allergies in dogs.
Do you need to see a vet?: When it comes to seasonal or environmental allergies, itch relief for dogs often starts with identifying triggers and managing flare-ups early. If you suspect that environmental allergies is causing your dog’s itching, we recommend scheduling a vet visit with a veterinarian who offers intradermal skin testing.
3. Dog Itching Due to Food Allergies
Food allergies in dogs are another common cause of dog itching. The most common food allergens for dogs are everyday proteins, commonly present in dog food. Allergies to beef, chicken, dairy, or eggs are fairly common in dogs.
As mentioned earlier, symptoms like itching, hair loss from persistent scratching, and recurring dog ear infections can be present in both environmental and food allergies. However, when a dog has food allergies, they are more likely to also get gastrointestinal upset (i.e., vomiting and diarrhea).
Do you need to see a vet?: If you suspect that your dog’s itching is due to food allergies, we recommend scheduling a vet visit with a veterinarian who can guide you through food trials to pinpoint the causal allergen. The same vet may also prescribe dog food for allergies, which helps with both long-term itch relief and overall health.
→ At Sploot, we offer all-in-one vet care, along with in-house diagnostics, to give your dog the personalized care they deserve. This includes intradermal testing and food trials to pinpoint any food or environmental allergies in dogs. Visit one of our full-service vet clinics in Denver, Colorado Springs, Salt Lake City, or Chicago today!
4. Boredom or Stress
Sometimes, what looks like dog itching may actually be repetitive licking, chewing, or scratching caused by boredom, anxiety, or stress. Dogs may focus on one area of the body as a self-soothing behavior. Additional clues that your dog may be bored or stressed include the following behaviors:
- Restlessness and pacing
- Excessive barking or vocalization
- Destructive behaviors
- Attention-seeking behaviors (e.g., jumping, stealing your belongings)
5. Underlying Pain
At times, what looks like itching in dogs may actually be a subtle sign of pain. When dogs experience pain or discomfort, they can show various physical and behavioral signs of pain, like limping or whining. However, there are other signs of pain in dogs, which can include:
- Chewing, licking, or scratching near the affected area
- Changes in posture
- Restlessness or inability to sleep
- Increased breathing rate
- Aggressive behavior
Do you need to see a vet?: If you suspect that your dog is scratching or licking their skin due to stress, boredom, or underlying pain, scheduling a wellness exam can help you find out the root cause. If your dog is showing other concerning behaviors aside from scratching, discuss these with your veterinarian as well.
6. Hot Spots or Acute Moist Dermatitis
Hot spots in dogs are inflamed, moist patches of skin that usually develop when a dog licks, chews, or scratches one area repeatedly due to an underlying trigger. The underlying trigger can be food allergies, flea allergies, seasonal allergies, stress, pain, and so on.
While hot spots are not a primary cause of dog itching, they can prolong itching since hot spots themselves are itchy once they develop. So for example, even after an allergic response is resolved, dogs can still scratch areas where hot spots have developed. Additionally, hot spots create an environment where bacteria can multiply.
Do you need to see a vet? Yes, if you see that your dog has a hot spot or any kind of skin infection, schedule a prompt vet visit. The veterinarian will diagnose the underlying cause of itching and provide treatment for the resulting hot spots as well.
7. Bacterial or Yeast Skin Infection
Bacterial and yeast skin infections can cause intense dog itching because they irritate the skin and disrupt its natural balance. Bacterial or yeast skin infections typically develop secondarily after repeated scratching breaks the skin barrier or forms hot spots.
Aside from itching, some of the common signs of bacterial or fungal skin infection in dogs include the following:
- Redness or inflammation
- Pimple-like pustules (common in bacterial skin infections)
- Lesions or sores (common in bacterial skin infections)
- Greasy skin that can flake or thicken over time (common in fungal or yeast skin infections)
- A musty odor (common in fungal or yeast skin infections)
Do you need to see a vet for this dog itch? Yes, if your dog has itchiness or any of the above symptoms of skin infection, it would be best to schedule a vet visit promptly for itch relief and treatment. This can also help prevent the infection from spreading or worsening.
8. Mites or Sarcoptic Mange
Mange is a skin condition caused by microscopic mites, most commonly Sarcoptes or Demodex mites. However, severe itching is more commonly associated with Sarcoptes mites. Sarcoptic mange, also known as canine scabies, is highly irritating for dogs and can spread between pets and even to people.
Aside from intense itching, other signs of sarcoptic mange in dogs include the following:
- Red or crusty skin
- Hair loss from excessive scratching
Do you need to see a vet for this dog itch? Yes, if you suspect sarcoptic mange, we recommend seeing a same-day veterinarian who can provide both itch relief for dogs and prompt treatment for mites, which can include oral and topical medications. It is also important to note that sarcoptic mange can spread to people; therefore, prompt treatment supports both the dog’s well-being and the household’s safety.
→ Sploot Veterinary Care is your all-in-one vet clinic, providing both primary & urgent care, as well as emergency vet services. Our vet clinics in Denver, Colorado Springs, Salt Lake City, and Chicago are here for you, 365 days a year. Book a same-day vet visit today!
9. Contact Dermatitis
Contact dermatitis in dogs happens when a dog’s skin reacts to something it touches, such as certain shampoos, cleaning products, grass, plants, lawn treatments, or household chemicals. Aside from itching, some of the common symptoms of contact dermatitis in dogs include:
- Redness and swelling
- Bumps or blisters
- Dry, flaky skin or open sores
Do you need to see a vet for this cause of itching in dogs? To help ease contact dermatitis, you can try washing the affected area. See a vet if irritation does not improve after washing it, or if your dog has worsening symptoms.
10. Dry Skin or Poor Skin Barrier Health
Dry skin can cause itching in dogs because the skin loses moisture and the skin barrier is weak. Therefore, dry skin becomes more sensitive to everyday irritants, allergens, and even friction. Dry skin can lead to itching, as well as other symptoms:
- Flaking or dandruff
- Redness or irritation
- Dull coat or hair thinning
Do you need to see a vet for this cause of itching in dogs? We recommend seeing a vet if your dog’s dry skin is persistent, severe, or paired with symptoms like intense itching, odor, or signs of infection.
Dog Itching Remedies: Do They Work & When to Use Them
1. Anti-Flea & Tick Shampoos
Anti-flea and tick shampoos can help kill or remove fleas and ticks on the coat, which may support itch relief for dogs when parasites are the cause. They are usually best for short-term relief and should be paired with vet-recommended prevention.
2. Flea & Tick Preventatives
Flea and tick preventatives help stop parasites before they bite and trigger irritation, allergic reactions, or skin infections. For many pets, consistent prevention is one of the most effective anti-itch strategies for dogs when fleas or ticks are involved.
3. Dog Skin Moisturizer
Dog skin moisturizers help soothe dryness, support the skin barrier, and reduce flaking or irritation. They may provide itch relief for dogs when itching is linked to dry skin or poor skin barrier health, though in other cases, they may work best as supportive care alongside other treatments.
4. Oatmeal Shampoo for Dogs
Oatmeal shampoo for dogs can help soothe dry, irritated skin and gently wash away contact irritants, which may support itch relief for dogs in mild cases. For itching caused by allergies, parasites, infections, or other underlying conditions, it usually works best as supportive care alongside veterinary-recommended treatment.
5. Omega-3 Fatty Acids for Skin Health
Omega-3 supplements for dogs can help support skin barrier health, coat quality, and a healthy inflammatory response, which may contribute to long-term itch relief for dogs with dry or allergy-prone skin. For itching caused by parasites, infections, or other underlying conditions, omega-3s are usually best used as supportive care alongside the treatment recommended by a veterinarian.
6. Hot Spot Sprays
Hot spot sprays for dogs can vary by type, including anti-itch sprays, antiseptic sprays, skin-soothing sprays, and so on. Depending on the ingredients, they may help calm irritation, reduce surface bacteria, or soothe discomfort, which can support itch relief for dogs.
However, hot spot sprays rarely work by themselves because continued licking and chewing can keep the hot spot from healing. An E-cone is often needed, along with other treatments recommended by your veterinarian.
7. Herbal Rinses for Dogs [Do They Work?]
Herbal rinses are sometimes used to calm mild skin irritation, but they should be chosen carefully because some ingredients can irritate dogs or be unsafe if licked. Ask a vet before using herbal products as an anti-itch remedy for dogs, especially DIY formulations.
Note: DIY medication is not recommended for itching in dogs because the right treatment depends on the underlying cause. Leave behind the guesswork and get peace of mind at Sploot Veterinary Care. We offer all-in-one, personalized care, 365 days a year. Visit one of our vet clinics in Denver, Colorado Springs, Salt Lake City, or Chicago today!
How We Treat Itching in Dogs at Sploot Veterinary Care
Precise Veterinary Diagnostics
At Sploot Vets, we start by identifying what is causing your dog’s itching instead of guessing. Depending on your dog’s symptoms, our veterinarians may check for fleas, ticks, mites, allergies, hot spots, dry skin, skin infections, or underlying pain. This helps us recommend the right treatment for your dog’s specific needs.
Thorough Treatments
Once we understand the cause, we create a personalized treatment plan for safe, effective itch relief for dogs. Treatment may include prescription medications, flea and tick prevention, medicated shampoos, skin infection care, allergy support, hot spot management, or recommendations to support skin barrier health at home.
Experienced Veterinarians
Our experienced veterinarians know that dog itching can be uncomfortable, frustrating, and often a sign of a deeper issue. We take the time to evaluate your dog’s skin, coat, overall health, and lifestyle so we can treat both the symptoms and the root cause whenever possible.
Sploot: Your All-in-One, Fear Free Vet Clinic
Sploot Veterinary Care is your all-in-one vet care provider for itchy skin, allergies, skin infections, and various other health issues in dogs. As a full-service vet clinic, you can count on us for over 95 percent of your dog’s care needs, 365 days a year—with primary care, urgent care, and emergency vet services all under one woof™!
Plus, our Fear Free veterinary approach is especially helpful for puppies, senior pets, and anxious fur babies. Our team provides top-tier care in a calm, supportive setting.
Visit one of our vet clinics in Denver, Colorado Springs, Salt Lake City, or Chicago and experience next-level veterinary care today. Book your vet visit online or via the Sploot Vets app!
