Home / Dog Health / Bumps on Dog’s Nose Causes (Hives, Tumors, Dermatitis, Trauma, Allergies)

Bumps on Dog’s Nose Causes (Hives, Tumors, Dermatitis, Trauma, Allergies)

Sudden bumps on your dog’s nose can be a worrisome condition to many pet owners. However, bumps on a dog’s nose are commonly due to allergies or a bacterial infection. The bumps can also be a symptom of an underlying medical condition like weak immune system or skin disorder.

Therefore, it is important to consult a veterinarian every time you notice sudden bumps on your dog’s nose. The vet will be able to carry out diagnostic tests that will reveal the underlying cause of the bumps and recommend appropriate treatment.

Let’s take a look at some of the most common conditions that might be causing bumps on your dog’s nose and how you can treat and prevent them.

1.       Weak-Immune System

tumors on dog's nose
bumps on dog’s nose

Immune system is a collection of biological processes that defend the body against bacteria, viruses and parasitic worms.  A weak immune system makes your dogs can to become increasingly vulnerable to a host of diseases such as infection, diabetes, osteoarthritis, skin disorders and cancers. However, common symptoms of a compromised immune system in canines are:

  • Skin infections such as bumps, sores and blisters
  • Fever
  • Loss of appetite
  • Recurrent infection
  • Weight loss
  • Lymphadenopathy

How to Boost Immunity

  • To boost the effectiveness of the immune system of your dog, you will need to feed your dog with quality food and also consider supplementing your it’s diet with certain nutrients and mineral elements.
  • Visit your veterinarian for prescription of immune boosting medications and appropriate care for your dog.

2.       Bacterial Infection

Bacterial skin infections in dogs also known as pyodermas are caused by staphylococci (Staph bacteria) which harmlessly live on the skin. The infection is quite common in canines with a weak immune system especially when they spent most of the time outdoors. In some cases bacterial infection can cause fatal symptoms that can be worrisome to the pet owner. Some of the symptoms may include:

  • Yellow pustules
  • Scabs
  • Skin lesions (bumps, blisters & Sores )
  • Skin redness

Staph bacterial infection is usually non-contagious to humans or other animals. In pets’ fleas, ticks, allergies, weak immune system, stress, poor diet and underlying illnesses are common causes of bacterial infection in pets. The infection is very much prevalent in old and young, in older dogs it is primarily because the body defense mechanism has decline while in young dogs it is because the immune system hasn’t developed strong enough to fight off infections.

The diagnosis of bacterial infection in pets is based on the symptoms, review of medical history and thorough physical examination. Certain tests such as blood tests, cultures, skin biopsies, sensitivity testing or allergy testing may also be performed to determine the cause of bacterial infection.

Possible Treatment

  • Depending on the type of bacterial infection and your pet’s overall health your vet may recommend various treatment options to clear the infection. Medications for staph infections usually include a course of antibiotics and anti-inflammatory in the form of drops or topical ointments.
  • In cases where the infection is accompanied with itchiness and inflammation, allergy shots and certain shampoos may be prescribed to relieve symptoms.
  • Making certain dietary changes and including regular exercise as part of your pet’s daily routine can also strengthen the immune system and ward off infection.

3.       Sebaceous Cyst

Sebaceous cyst in pets is basically large bumps that are usually harmless and develop when a hair follicle or skin pore gets blocked by debris, dirt or scar tissue due to infection. This cyst commonly develops on the neck, head, torso, or upper legs. In many cases if your dog has a sebaceous cyst, you will observe a raised bump that is either blue-black or whitish in color. When the bump bursts, it will ooze a brownish, grayish or cheese-like discharge.

Sebaceous cysts are non-cancerous bumps that can be very difficult to differentiate them from other bumps and lumps that are cancerous. However, for clarity you need to see a veterinarian who will have to conduct several tests such as biopsy and recommend the appropriate treatment option.

How to Remove

  • Sebaceous cysts are usually harmless and in situations where your veterinarian may be concerned about the cyst, he may recommend a fine-needle aspiration of the cyst to identify its contents for purposes of further diagnostic tests like biopsy.
  • The cyst can also be removed through surgery and use of conservative therapies such as antibiotics and anti-inflammatory drugs.

4.       Lipoma on Nose

A lipoma is a non-cancerous bump or lump that is freely movable, relatively slow-growing, fat-filled tumors. These tumors are common in middle-aged to elderly, and generally they do not pose any health threat to your pet. Usually, the size the lump will grow to depends on how much fat the lipoma stores, but they can become very big. Overweight dogs tend to develop larger lumps but the tumors may reduce in size if they lose weight.

Also, overweight dogs can develop multiple lumps but these lumps are still not life-threatening. The lumps normally grow in separate pocket to surrounding tissue, but in rare cases they penetrate other tissue such as muscle. This is known as an infiltrative lipoma.

Even though the lump is harmless, it is usually the best thing to take your dog to the veterinarian at the earliest opportunity so as to rule out any serious underlying medical condition.

Possible Treatment

If the lipomas aren’t harmful many times your vet will recommend they be left on their own. However, if they are increasing in size or have become harmful your vet will recommend they be removed surgically by cutting them off.

5.       Fungal infections

Fungi are parasitic, spore-producing organisms. There exist many species of fungus in the environment but only a few cause infections.  They obtain their nourishment by absorbing food from the host on which they grow. Fungal infections in dogs can be acquired by ingestion, through skin cuts or wounds.

Fungal infections are common in pets with a compromised immune system or in pets that have been subjected to prolonged usage of antimicrobial drugs. Usually, the infection is localized or may affect the entire body. A common example of a fungal infection that can cause bumps on and inside the nose is aspergillosis.

  • Aspergillosis

Aspergillosis infections is an infection that develop from direct contact between the dog’s nose, sinuses and fungus. For example, if pet is outside around dust and grass clippings the fungus may enter the sinus via the moist lining of the nose. This can result to bumps inside or outside the nose.

Symptoms of this condition may develop suddenly or slowly over a period of time and they include sneezing, nasal pain, bleeding from the nose, visibly swollen nose, fever, weight loss, vomiting, reduced appetite and long term nasal discharge from the nose.

Possible Treatment

Your doctor may recommend use of antifungal medications such as econazole, ketoconazole or clotrimazone. Also, natural tea tree oil or boric acid can be effective in getting rid of bumps on your pet’s nose.

6.       Hives (Urticaria)

Hives also known as urticaria can form when a dog is exposed to a variety of different allergens. When the body is exposed to allergen either through ingesting it, breathing it in, and direct contact with the skin or injection like vaccine, the immune system reacts by putting the body in a hypersensitive state.  This hypersensitivity of the body results in the itchy bumps on skin known as hives.

Hives on dog’s nose are usually not life threatening and will often go away on their own; however, it is important to understand the cause of hives so as to take measures that will protect your dog against the very cause.

Hives can appear anywhere on the pet’s body but the muzzle, face and eyes are the most common places that are easily affected by hives. When your canine has hives, it will be scratching the skin more than usual and this can also result to swollen face and muzzle.

Depending on your pet’s build and coat symptoms of hives will be more difficult to identify on some dogs over others. In case you suspect your dog has hives, you need to take it to a veterinarian for possible diagnosis and treatment.

Possible treatment

The standard treatment for hives in dogs is use of antihistamines to reduce itching, swelling and other allergy symptoms. Anti-inflammatory drugs like corticosteroids can also be prescribed by your vet. Usually, the best way to deal with hives is to protect your pet against allergens that trigger hives.

7.       Nasal Tumors

Nasal tumors are usually locally aggressive, malignant tumors that affect both dogs and cats. Adenocarcinomas are the common nasal tumors in dogs and they are slow to spread but when they do, it is generally to the local lymph nodes or to the lungs.

Common symptoms of nasal tumors include:

  • Noisy breathing
  • Facial swelling
  • Mild weight loss
  • Bumps around or inside the nose
  • Nasal discharge
  • Continuous panting

For nasal tumors in dogs, a personalized treatment plan is important to slow the progression of nasal tumors. Talk to your veterinarian on the best treatment plan your pet should be put on.

How to remove

To remove nasal tumors in your dog, your vet may recommend surgery, radiation therapy or chemotherapy.

8.       Allergies

Usually allergies in dogs are not life threatening but they do cause discomforts. The most common symptoms of allergies in dogs involve the skin and the upper respiratory system. The symptoms of allergies are as a result of the pet’s immune system overreacting to the antigens causing release of immune cells which then release inflammatory substances like histamine. Common triggers of allergies in dogs include poison ivy, dust mites, mold, animal danger, insect stings, latex and certain foods among many others.

Other than bumps on nose and around the mouth, other common symptoms commonly found in dogs include:

  • Excessive licking
  • Compulsive scratching
  • Regularly rubbing body parts
  • Frequent sneezing
  • Skin irritation
  • Periodic chewing

Though some symptoms of allergies can have other several possible causes, we recommend making an appointment with your veterinarian immediately if you notice any of the above symptoms.

Possible treatment

An antihistamine is usually the best treatment for allergies. Antihistamines work by blocking the histamine receptor cells in the body.

9.       Reaction to Medications

Reaction to medication describes an immune response that target the medication as a threat. Antibiotics cause more allergic responses in dogs than any other group of drugs. Common symptoms of a negative reaction to medication include:

  • Bumps on nose
  • Itchy rash on skin
  • Swelling of the face
  • Watery eyes
  • Nasal discharge

It is always important to watch your dog keenly anytime a new medication is started and get immediate treatment for symptoms that appear unusual or severe.

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