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Vet Talks: Rhinitis and Sinusitis in Dogs and Cats

Vet Talks 3 min read
Vet Talks: Rhinitis and Sinusitis in Dogs and Cats

Just like humans, dogs and cats can also suffer from rhinitis and sinusitis. While Rhinitis is an inflammation of the nasal cavity, sinusitis involves the sinuses. The inflammation can affect just one area (nasal cavity or sinuses) or can be rhinosinusitis that affects both areas (nasal cavity and sinuses). This condition can also be classified as acute or chronic.

Causes of Rhinitis and Sinusitis in cats and dogs

Many different viral infections can infect our pets and lead to rhinitis and sinusitis.

Rhinitis, sinusitis, or rhinosinusitis are not usually associated with bacterial infection, but rather with viral, fungal, or parasitic disease.

Many different viral infections can infect our pets and lead to rhinitis and sinusitis. For example, the distemper virus, aspergillosis can cause rhinosinusitis in dogs. In cats the most common cause is cryptococcosis. Allergic conditions almost never cause rhinosinusitis in cats, however, in dogs, it can predispose to chronic inflammation of the nasal cavity or sinus.

sinusitis in dogs

Foreign bodies, such as grass awns, sticks, or small rocks that may enter the nasal cavity can also lead to the condition. Dental disease and tumors involving the nasal cavity or sinuses can be one of the causes as well.

Sign and Diagnose of Rhinitis and Sinusitis

The common clinical signs are sneezing, nasal discharge, occasionally discharges from one or both eyes, and open-month breathing may occur when one or both nasal cavities are obstructed.

sinusitis in cats

To diagnose the veterinarian will examine the head and mouth to identify abnormalities in the bones, teeth, and nearby structures. Also, X-rays, computed tomography (CT scan), magnetic resonance imaging (MRI) and routine laboratory tests, and special fungal and bacterial assays may be recommended. Occasionally, examination of cells in the nasal discharge is helpful, but usually, a biopsy is necessary to obtain a diagnose.

How to Treat Your Pet with Rhinitis and Sinusitis

The treatment depends on the underlying cause. For example, if it is caused by a foreign body or an infected tooth, it can be removed. When bacteria are identified, antibiotics may be prescribed.

NHV supplements can be very helpful in the treatment and prevention of Rhinitis and Sinusitis in dogs and gets. These are some of them:

NHV RESP-AID: This formula contains 9 different herbs that act as anti-inflammatory, antibiotic, demulcent, and anti-catarrhal. Because of its medicinal properties, it decreases the congestion of the sinus, inflammation, and bacterial infection.

NHV STIMMUNE: As Rhinitis and Sinusitis can be caused by an overreaction of the immune system, this blend is composed of herbs that can help to balance the immune system.  Also, the herbs present in Stimmune have antibacterial, anti-fungal, anti-inflammatory properties that are helpful in the treatment and prevention of rhinosinusitis.

NHV ALGE-EX: Beneficial to treat rhinosinusitis, it has anti-inflammatory, antibacterial, antispasmodic, and astringent properties that can treat and alleviate the symptoms of Rhinitis and Sinusitis.

In the case it is caused by parasitic infection, Inulin PK can be a good choice as it is a natural dewormer.

For more information about integrated pet care and support to completely understand the veterinarian’s recommendations for your fur baby, you can book an online vet consult with me. If you need help deciding which NHV supplements are right for your pet, then one of our Pet Experts will be more than happy to assist you.

NHV Resp aid pitbull

You can book a consult with Dr. Amanda here or get a customized diet plan , specially formulated for your pet’s needs.

Dr. Amanda Nascimento DVM, MVSc, PhD

Dr. Amanda Nascimento DVM, MVSc, PhD

Dr. Amanda completed her undergraduate degree in veterinary medicine in 2010 and graduate studies in veterinary pathology (MVSc. 2012 and PhD 2016) at the School of Veterinary Medicine, University of São Paulo. She completed her post-doctoral training at the Western College of Veterinary Medicine – University of Saskatchewan in 2018. Dr. Nascimento will be hosting her own blog series and sharing her knowledge with our extended NHV family.

Published: May 18, 2019

5 replies

  1. Lyne Wyatt says:

    Hello. We had a cat scan on our Westie to make sure there was no obstruction in his nasal cavity. With that said the vet diagnosed Rhinitis of one of his nasal cavities. They wanted to try a new medication that would run $115/month but we declined. He is no worse but with the warm weather coming and allergies on high alert we were wondering what you suggest for our 8 year old male Westie. Lots of grumbling of late and sneezing with a discharge. Help

    1. Raphael M says:

      Hi Lyne,

      We’re so sorry to hear about your furkid. It is coming to spring allergies season and we can definitely help by recommending two supplements that would be a great support for him. You can start him on Resp-Aid and Stimmune.

      Resp-Aid helps ease chest and nose congestion, supports healthy breathing & relieves shortness of breath, has natural anti-inflammatory properties and helps fight a respiratory infection

      Stimmune helps your cat against food allergy symptoms, like red inflamed skin, and face rubbing. It’s beneficial for autoimmune conditions, dermatitis, and helps balance the immune system, supports the immune system in fighting infections.

      They are both safe to take long-term and with conventional medication.

      Please let us know if you have any questions! We’re happy to help.

      Yours in wellness,
      NHV Team

  2. Lynn Tapper says:

    What would you recommend for a sinus polyp in a 18 year old male cat (Ragdoll)? The polyp/tumor has grown outward at the root of his nose and is swelling into his left eye. Vet said nothing be done due to his age. this has been going on for 1 year now. He has very noisy breathing, a lump the size of a grape. He was said to be otherwise very healthy. He has lost half his weight and is down to under 10 lbs. I am using Ivermectin at the moment (just started it 5 days ago). I previously reversed it with homeopathics but it always comes back (immune system weak). Also tried an immune formula with Reishi – he got urgent diarrhea so I stopped it. Is it possible to fix this?

    1. Team NHV says:

      Hi Lynn,

      Thank you so much for reaching out to us.

      We’re so sorry to hear that your sweetheart is dealing with a sinus polyp. That can’t be comfortable. Please know that we’re here for you every step of the way.

      Our first recommendation for you would be ES-Clear. This powerful yet gentle supplement can help to support immune health, encourages the scavenging for free radicals, and improve quality of life.

      Here’s a link for ES-Clear if you need it:

      We also think Turmeric could be helpful as it contains amazing anti-inflammatory properties and can help to manage discomfort. Turmeric can also help to support heart and liver health.

      More information on Turmeric here:

      Lastly, we recommend our medicinal mushroom blend, Natures Immuno. This supplement can help with a variety of different things including overall and immune health, liver, kidney, and respiratory health, and contains cancer-fighting properties.

      More on Natures Immuno:

      We just recommend going a little slowly with the Natures Immuno as it contains Reishi and we know you said he had diarrhea from Reishi in the past. You can start off with just a few drops and then slowly work your way up, this way your boy’s body has time to adjust to the regimen.

      We know this is lots of information to take in, so please take your time to review everything and let us know if you have any questions at all. Sending you and your furmily all our love.

      Yours in wellness,
      Team NHV

  3. Team NHV says:

    Hi Susan,

    We are terribly sorry to hear how much Banjo has been struggling with rhinitis. As pet parents ourselves, we understand how frustrating it can be to see the symptoms return, but when it comes to chronic conditions, life-long support is needed.

    Supplements like Resp-Aid, Stimmune, and Alge-Ex can be given alongside the vet-prescribed medication for extra relief. We recommend respecting a break of at least 30 minutes between the supplements and the pharmaceuticals.

    Resp-Aid plays a role in soothing the upper respiratory system by regulating the inflammatory response:

    Stimmune helps promote a healthy immune and histamine response. Feel free to read all about Stimmune for dogs here:

    Whereas Alge-Ex was vet-formulated to help address seasonal and environmental allergies that can lead to rhinitis:

    We know that this is a lot to take in, so please take your time reviewing this information and let us know if you have any questions. We’re sending Banjo lots of love and healing vibes.

    Yours in wellness,
    Team NHV

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