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What is Fungal Yeast Infection?

Fungal yeast infections are not common in domestic cats, but they do occur. These infections come from fungi, which are parasitic organisms that produce spores. Some fungi exploit a host that is sick or weak, but others can invade even the healthiest of cats. Most types of fungal yeast infections in cats affect the skin, but some can affect other parts of the body such as the respiratory tract.

While viruses and bacterial infections most likely come to mind when pet owners consider their cats becoming sick, there are types of fungi that can also cause many unpleasant symptoms in cats. 

Fungal Yeast Infection Average Cost

From 402 quotes ranging from $200 - $2,000

Average Cost

$800

Symptoms of Fungal Yeast Infection in Cats

The primary symptoms associated with yeast infections in cats depend on the type of infection present. Here are some common symptoms associated with these types of fungal infections in cats:

  • Greasy skin
  • Loss of hair
  • Redness on skin
  • Scaly skin
  • Thickening of the skin
  • Dark spots on skin
  • Smelly discharge from lesions on the skin
  • Upper respiratory infections
  • Eye problems
  • Intestinal diseases
  • Infection in the chest
  • Bladder problems
  • Fever
  • Weight loss
  • Anemia
  • Difficulty breathing
  • Coughing
  • Lameness
  • Disorientation

Types

There are several types of fungi that can cause yeast infections in cats, although they are not common. Below are a few types of fungal yeast infections that are known to affect domestic cats:

Candidiasis

Candidiasis is a yeast infection that affects primarily the skin and mucous membranes of the skin. This condition is not often seen in cats, but can occur in cats that are immunodeficient. This means that cats with immune suppressing conditions are more likely to contract this fungal yeast infection. 

Malassezia dermatitis

Malassezia dermatitis is caused by yeast that is often present in the skin and ears of domestic felines. However, an overgrowth of yeast can cause inflammation of the skin and a host of other problems. This fungal yeast infection can occur in any breed. 

Blastomycosis

Blastomycosis is caused by a soil-borne fungus. Although most common in dogs, cats can become infected upon inhaling fungal spores. While not all infected cats become sick, those that do can have a multitude of unpleasant symptoms such as skin lesions, fever and cough. 

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Causes of Fungal Yeast Infection in Cats

Fungal yeast infections can be caused by fungi naturally occurring on a cat’s body or in the environment. Fungi can enter the body in several different ways:

  • Ingested in food or water
  • Inhaled through the nose
  • Absorption through the skin
  • Flea allergies

Some conditions can make a cat more vulnerable to an overgrowth of yeast and infection:

  • Cancer 
  • Compromised immune system
  • Diabetes
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Diagnosis of Fungal Yeast Infection in Cats

Your veterinarian will go through a series of steps to diagnose your cat's condition. He will begin by taking a thorough medical history regarding your cat's health. Be sure to include any information such as previously diagnosed medical conditions, contact with chemicals, recent illnesses and the date symptoms began. Your doctor will also take vital signs and draw blood for a biochemical profile and a CBC. He may also request a urine sample so he may check for bacteria and infection in your cat's urine. Skin cytology tests may be performed to obtain a culture which will aid in diagnosing the type of yeast infection present. 

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Treatment of Fungal Yeast Infection in Cats

After obtaining a definitive diagnosis, your doctor will decide on a treatment for your cat's fungal yeast infection. If the infection is localized on the skin, he may prescribe dips or medicated shampoos to soothe skin and eliminate odors. He may also use antibiotics or antifungal medications to bring down the number of yeast and symptom-causing bacteria. Your veterinarian may also decide to use medicated ointment or steroid injections, depending on your cat's progress. 

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Recovery of Fungal Yeast Infection in Cats

Your cat's recovery will depend on the severity of the yeast infection and treatment used. If there are any secondary problems associated with the primary infection, they will need to be addressed and treated. In most cases, medicated shampoos reduce the smell and scaly skin in 1 to 2 weeks after treatment begins. Your doctor will want to recheck your cat every few weeks or so until symptoms resolve. He may perform a skin cytology test at each of these visits, until yeast overgrowth is reduced to normal levels. Once infected with fungal yeast infections, your cat may suffer a flare-up of symptoms on occasion. While this is completely normal, it is necessary to communicate with your doctor before symptoms escalate. Prompt treatment is key to keeping fungal yeast infections in cats at bay.

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Fungal Yeast Infection Average Cost

From 402 quotes ranging from $200 - $2,000

Average Cost

$800

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Fungal Yeast Infection Questions and Advice from Veterinary Professionals

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Domestic cat

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Twelve Years

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Unknown severity

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0 found helpful

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Unknown severity

Has Symptoms

Swelling Of Left Side Of Face And Forehead And Nose

Angel has a 1" fluid filled lump on her forehead and swelling on the remainder of her left side of her face. Labored breathing. Has had URI's off and on her whole life. 2 photos included one is 6 weeks age and one is today. Her eye is now covered in pink tissue and may be no longer viable. Vet won't do cat scan Or blood transfusion because her heart has arithma and murmor. She is eating well and peed all day long but #2 comes harder and days in between. The vet said to use fungal ear cleaner and then this puffy skin happened. Fine needle Aspirite shows no cancer or infection What can I do?

Sept. 26, 2020

Owner

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Dr. Michele K. DVM

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0 Recommendations

Thank you for your question. I apologize for the delay in my reply, this venue is not set up for urgent emails. Without being able to see her, unfortunately, it is very difficult for me to comment on what might be able to be done for her. It would be best to have your pet seen by your veterinarian, as they can examine them, see what might be going on, and get any testing or treatment taken care of that might be needed.

Oct. 19, 2020

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Siamese

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14 Weeks

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Unknown severity

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1 found helpful

pill-rating-filledpill-rating-filledpill-rating-filledpill-rating-filledpill-rating-filled

Unknown severity

Has Symptoms

Flaky Ears W/ Dark Buildup

I rescued a flame point female kitten on July 5th. On July 6th, I took her to the vet to treat an Upper Respiratory Infection. Within days of treatment, I noticed a dark buildup contained within her ears. I assumed that it was ear mites and applied a single dose of Revolution. When things did not seem to improve, we returned to the vet. She was diagnosed with a yeast infection in her ears. Now, the buildup is not as bad, but her ears are VERY flaky. I am curious as to what could have caused this series of events. If we have an immune comprised kitty on our hands, what should be our next steps?

July 27, 2020

Owner

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Dr. Ellen M. DVM

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1 Recommendations

Hello, thank you for your question. I am sorry to hear that your cat's ears are bothering her! Without examining your cat, I cannot know for sure what might be going on, but I would not be too concerned about her being immune compromised at this point. It is not unusual for kittens in rescue situations to have upper respiratory infections when they are young. Ear infections also are not uncommon. The flakiness could be due to the medication itself drying on the ears, it could be due to skin irritation from itching... it's hard to say without seeing them. As long as she heals up well and doesn't have recurring upper respiratory infections and ear infections, I wouldn't worry too much! I hope that your kitty starts feeling better soon!

July 27, 2020

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Fungal Yeast Infection Average Cost

From 402 quotes ranging from $200 - $2,000

Average Cost

$800

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