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DON’t Risk Your Cat’s Health: Understanding Mycotoxicosis in Cats

Mycotoxicosis- Deoxynivalenol in Cats: A Comprehensive Guide

Cats are purring, fluffy creatures that bring joy and happiness to their owners. However, owners need to pay close attention to their cats to ensure that they remain healthy.

Mycotoxicosis- Deoxynivalenol, commonly known as DON, is a life-threatening condition that can afflict cats. This article is a guide to help cat owners understand what Mycotoxicosis- Deoxynivalenol is, its symptoms, causes, diagnosis, and treatment, as well as prevention measures.

What is Mycotoxicosis- Deoxynivalenol in Cats?

Mycotoxicosis refers to an illness caused by the ingestion of fungal organisms like molds and yeasts, while Deoxynivalenol, commonly known as DON, is the most common fungal toxin that affects cats.

DON is produced by Fusarium, a type of fungus that affects crops. When cats eat contaminated grains such as corn, wheat, oats, or barley, they ingest the toxin.

Symptoms and Types

Mycotoxicosis- Deoxynivalenol in cats has various symptoms. The first indication that your cat suffer from DON is the refusal to eat food, and vomiting, which is mainly yellowish or greenish.

A decrease in appetite and weight loss will follow in cats that refuse to eat, which could be accompanied by diarrhea. Additionally, cats infected with DON may exhibit dehydration and lethargy, which are symptoms of more severe cases.


As aforementioned, Mycotoxicosis- Deoxynivalenol is caused by the ingestion of contaminated grains. Contaminated grains mostly occur in pet feeds, specifically in low-quality feed, that have been exposed to the Fusarium poisonous fungus.

Owners who opt for high-quality cat foods that are free of DON prevent these fungi’s occurrence hence fewer chances of these toxins in your cat’s food.


Upon noticing any of these symptoms, contact a veterinarian. The vet will get your cat’s history and examine your cat for other diseases such as feline distemper, pancreatitis, and foreign objects before running a DON analysis on the cat’s blood, feces, or urine sample to identify the presence of the toxin.

The vet may check the cat’s vital signs by running a chemical blood profile or doing an X-ray scan.

Treatment and Management

Treatment of Mycotoxicosis- Deoxynivalenol in cats primarily involves removing the contaminated food and medications to reduce the possibility of severe complications. Cats suffering dehydration will receive intravenous fluids to restore the cat’s body’s fluid levels and other medications to improve digestion.

The vet will also monitor the cat’s weight to check for any further weight loss.


Prevention is key to avoid Mycotoxicosis- Deoxynivalenol in cats. One way to prevent DON is by choosing high-quality cat foods that are free of this poisonous fungus.

Additionally, store grains in a cool, dry place to avoid fungal growth in their feed. Ensure that the grains are not old or exposed to molds and that pet feed is not contaminated.


The health of cats is essential, and cat owners must take care of their cats to keep them healthy. Mycotoxicosis- Deoxynivalenol in cats is caused by the ingestion of contaminated grains and can result in severe and life-threatening symptoms.

Understanding the symptoms, causes, diagnosis, treatment, and prevention measures can mitigate these risks. Take care of your cat by ensuring they eat high-quality, non-contaminated pet feeds free of DON and by reaching out to a veterinarian for any observed illness or symptoms.

In conclusion, Mycotoxicosis- Deoxynivalenol in cats is a serious condition that is caused by the ingestion of contaminated grains. The symptoms of this condition include weight loss, vomiting, dehydration, and refusal of food.

It is important to seek veterinary attention for your cat to prevent complications.

Prevention of this illness entails feeding high-quality cat food, storing grains correctly, and avoiding contaminated pet feeds.

The health of your cat is paramount, and taking care of them is crucial to their well-being. Keep them safe by being vigilant of their food sources and seeking medical attention when necessary.

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