Mold Poisoning in Dogs: 15 Symptoms to Be Aware Of

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You’ve probably heard about people experiencing health problems because of mold, but have you heard about how mold exposure can affect our four-legged friends? If your home, doghouse, or other places where your dog frequents, are affected by mold, then the chances of mold poisoning or mold allergies in your dog increase drastically.

We typically know when someone around us is sick, but with pets, it’s not always as obvious. We can tell something’s wrong with them by observing and noticing changes in their regular behavior, eating habits, and other factors.

In this article, we will describe how to quickly detect mold poisoning symptoms and how to address mold exposure in dogs.

Mold Poisoning in Dogs:
15 Symptoms To Be Aware Of

You’ve probably heard about people experiencing health problems because of mold, but have you heard about how mold exposure can affect our four-legged friends? If your home, doghouse, or other places where your dog frequents, are affected by mold, then the chances of mold poisoning or mold allergies in your dog increase drastically.

We typically know when someone around us is sick, but with pets, it’s not always as obvious. We can tell something’s wrong with them by observing and noticing changes in their regular behavior, eating habits, and other factors.

In this article, we will describe how to quickly detect mold poisoning symptoms and how to address mold exposure in dogs.

How Can Mold Affect Dogs?

Dogs are affected by mold in similar ways to humans. In fact, dogs have a weaker immune system, which makes them more susceptible to mold-related illnesses.
Some dog breeds may develop mold allergies faster than others. For instance, brachycephalic breeds (with flat faces and short noses) are prone to respiratory diseases, so exposure to fungus can make it even worse. But in general, all dogs can be affected by mold.

What Molds Are Dangerous for My Dog?

There are hundreds of thousands of mold species out there, and not all of them are toxic and can cause harm. But it takes time and tests to determine if the mold in your home is toxic, and if its levels are dangerous. Simply, if you can see mold you know it is a bad sign.

The most common types of fungus in homes are Aspergillus, Cladosporium, and Stachybotrys (black mold). All of these can cause allergic reactions and health problems in humans and pets. If left untreated, molds can cause serious health problems.

Symptoms of Mold Exposure or Allergies in Dogs

The causes of symptoms of mold poisoning or exposure in dogs can be put into three categories:

1. Inhaling mold spores
2. Ingestion of moldy foods
3. Allergic reactions

Let’s talk about each of these and how they can affect your dog’s health and what to watch out for.

Symptoms of Dogs Inhaling Mold Spores

Mold spores are all around us – both outdoors and indoors. The types and amount of spores in a given place determines the potential health risk. The amount of airborne mold outdoors varies by season and conditions. People and animals are typically accustomed to the mold types and levels outdoors.

Airborne mold conditions in indoor spaces should be at or below the average amounts observed in the nearby outdoors. Over time, because of moisture, most indoor spaces develop what we call “mold factories,” where mold growth takes place.

Mold factories are typically present in areas where moisture is or was present – i.e. window sills, sinks, bathrooms, toilets, etc. When mold is growing indoors, it’s common for mold to release harmful spores and mycotoxins into the indoor environment.

When unhealthy levels and/or types of mold spores are inhaled by dogs, they can cause a number of health problems, including symptoms like:

• Difficulty breathing
• Wheezing, sneezing, or coughing
• Nasal discharge
• Lethargy
• Nose and/or mouth bleeding

Typically, these symptoms can be successfully treated, but they’ll likely return if the problem environment isn’t corrected. You can prevent your dog from inhaling unhealthy levels of mold spores by controlling the air quality in your home. If you have any moisture problems, you need to resolve them quickly. The EPA suggests having moisture levels in your home between 30-50%. Remember, moisture control is mold control.

Symptoms of Dogs Eating Moldy Food

It’s no secret that dogs love to eat or chew on whatever they can find. Sometimes you just can’t react fast enough to take something away from them. In most cases, dogs will be fine, but what if they have eaten something moldy? If dogs get into trash or eat something in the park, they might get poisoned, so keep an eye on your pet. 

The regular dog food you have used for years without issues might develop black mold growth. Moist, dry, and home-cooked types of food are all susceptible to mold growth. Consider grain-free dry dog food. Recent studies showed that it is less likely to develop mold or contain mycotoxins.

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Moldy refrigerator food and compost piles, if easily accessible to your dog, can be a way of getting mold toxins.

Symptoms of mold poisoning in dogs through ingestion can include:

• Decreased appetite
• Vomiting
• Stool changes (sometimes with blood)
• Tremor
• Seizures (if a significant amount is ingested)

There are a couple of things you can do to prevent your dog from eating moldy foods:

• Keep your dog’s food in dry places like airtight plastic containers
• Check the food before feeding your dog
• Don’t throw your food in the backyard or in trash cans that dogs can easily access
• Keep an eye on your dog when outdoors

Symptoms of Mold Allergy in Dogs

Most of the time, you can detect a dog allergy if it manifests on the skin. Mold allergy might irritate your dog year-round, unlike the seasonal pollen allergies.

The symptoms of black mold allergy might come and go, depending on the air humidity outside and inside. According to the Whole Dog Journal, these mold allergies are most likely develop in dogs between the ages of 6 months and 3 years. Although it is true in most cases, dogs of different ages can suffer from it.

Most often, black mold allergy symptoms will show on dog’s skin, so look out for:

• Excessive scratching, licking, biting, or chewing
• Inflamed or irritated skin
• Skin dryness and scaliness
• Fur loss
• Unnatural skin odor

All dogs love a good scratch, but if you notice your dog rubbing or scratching more than normal against furniture or other objects – it is time to check their skin for irritation or allergies.

Professional tip: check your dog’s bed. If it is often wet, then mold can develop inside of it. To easily prevent that from happening, purchase a water-resistant dog bed.

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How to Know if Mold is Causing the Problems?

It’s important to watch your pet’s health closely, but treating illness without confirming it with a licensed vet might cause additional problems. Mold poisoning symptoms in dogs might resemble other health issues, so don’t jump to conclusions.

If you see mold growth – it increases the chances that your dog is affected by it. But mold problems may not always be visible. There are a couple of things that will help you know if your residence has mold problems when it’s not as obvious:

1. Check the humidity levels. Levels of more than 50%-60% create an environment for mold growth. EPA recommends keeping humidity levels in homes between 30% and 50%
2. Mold spores spread the musty or damp smell
3. Mold is more likely to develop in houses with a history of leakage or flooding
4. If you experience any mold-related symptoms like headaches, nosebleeds, or difficulty breathing

When you suspect mold, the best course of action would be to hire mold contractors to test your air for unhealthy mold levels and/or types.

If your dog keeps exhibiting symptoms of mold poisoning, you should visit the veterinary clinic as soon as possible to avoid complications.

How to Treat Mold Exposure in Dogs?

As we mentioned before, you should not treat your dog for mold exposure on your own. It is almost impossible to differentiate between mold allergy and other types of allergies without doing allergy testing first. Your veterinarian will also run exams and review your pup’s history to diagnose your dog’s symptoms.

When veterinarians find the reasons for your dog’s health issues, they will start treatment of mold poisoning symptoms. Depending on the type of poisoning, the treatment may vary, but generally, it involves medication and possibly a localized cure.

This treatment doesn’t end at the veterinary clinic. If mold problems remain in your dog’s environment, then those symptoms will likely come back. To ensure that doesn’t happen, you need to locate and correct the source of moisture and perform mold remediation to make your dog’s environment healthy again.

Pay particular attention to the places where your dog spends most of his time.

Conclusion

If you notice that your dog has black mold poisoning symptoms, acting quickly is a key. If you hesitate, the symptoms can evolve into serious problems.

Despite your desire to ease your dog’s suffering, remember not to treat these symptoms on your own. Always consult with your veterinarian before you take any action.

Equally important to getting your dog’s symptoms treated is to be sure the environment that caused the symptoms is corrected – a reputable mold removal company can help with this. Taking quick action will give your dog the best chance of making a full recovery and getting back to what your dog loves to do!

Do Your Friends Have Dogs?

Now that you found out what to do when your dog is feeling sick because of mold, it’s time for you to pass that knowledge onto other dog owners you know. SHARE IT.

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