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The majority of the time, when guinea pig owners see specific indicators such as watery eyes, red skin, sneezing or discharge from the nose, they believe their pet is suffering from allergies of some sort. But how much of this is true? Is it possible for guinea pigs to be allergic to certain foods? Let’s have a look and see!Guinea pigs can become sensitive to specific food ingredients, cleaning agents, strong scents, fumes, mites, and fleas, to name a few potential triggers. Some guinea pig owners have also reported that their guinea pig is allergic to hay, however the dust in the hay is actually the problem in this case.Guinea pigs, like people, are sensitive to specific types of food ingredients as well as frequent environmental allergens, according to the American Society of Nutrition.

The majority of guinea pig owners are frequently unaware of the underlying reason of their animals’ apparent symptoms, leading them to feel that nothing is wrong with their animals.

However, in the majority of cases, it is due to a faulty diagnosis and a lack of appropriate information.

When guinea pigs are exposed to specific allergens for an extended period of time, they may develop major health problems such as Upper Respiratory Tract Illness (UTI), Rhinitis, and Bronchitis.

As a result, it is critical to recognize some of the most prevalent causes of guinea pig allergies and to take the necessary steps to keep such allergies from developing in your guinea pigs.

It is also recommended to take your guinea pigs to an Exotic & Experienced vet if they have been exhibiting specific symptoms for an extended period of time.


Types of guinea pig allergies

Please keep this in mind. makes every effort to offer you with the most accurate and up-to-date information possible. Unless otherwise stated, all of the information and figures in this article are accurate to the best of the author’s knowledge.

It is our goal to supply you with this type of information so that you can better understand your guinea pig. Under no circumstances may the material be construed as medical guidance.

If your guinea pigs show any signs of trouble, you should take them to a skilled veterinarian as soon as possible.

Types of guinea pig allergy Causes Signs
Dust allergy Dust in the hay, Certain kind of bedding, etc. Sneezing, Itchy & Red eyes.
Food allergy Certain ingredients in food like seeds, nuts, oil, rice bran, ground Corn, etc. Change in skin, rashes and labored breathing.
Environmental allergen Household chemicals, strong smell, fumes, mites & fleas. Sneezing, labored breathing, red and itchy eyes.
Bedding allergy Soiled bedding, Derbies buildup Sneezing, Red, Itchy & watery eyes.
Allergic conjunctivitis Exposure to the environmental allergen for a long period Red & inflamed eyes, Discharge from eyes.

Guinea pigs are extremely resistant to infections and allergies, making them excellent pets. Certain elements, on the other hand, can cause allergies in guinea pigs.

Some of the most frequent types of allergies that most guinea pigs suffer from include allergy to dust in the hay, allergy to dust in the bedding, and allergy to specific environmental allergens, among others.

Environmental allergies are most commonly caused by household goods that are used near your guinea pigs, as well as by odors and smoke that is present in their cage, among other things.

An allergic reaction to a food can also arise in rare cases if you do not provide the proper vegetables and pellets for your guinea pigs.

Take a look at the following sections to learn more about the many forms of allergies.

Guinea Pig Food Allergies

Food allergies are another sort of allergy that can be seen in guinea pigs on a regular basis. The most common signs of food allergies are skin irritation and a change in stool consistency.

Identifying the source of a guinea pig’s food allergy can be a difficult task for most guinea pig parents.

The majority of guinea pig owners are completely uninformed of the nutrition and environment in which their guinea pigs have been raised.

In addition, different guinea pigs can react differently to the same type of food in various situations.

A similar situation exists with humans, where one person may be allergic to peanuts while another may be able to eat them without any problems. The same is true for guinea pigs as it is for humans.

What foods are guinea pigs allergic to?

Food allergies in guinea pigs can manifest themselves in a variety of ways. They can be allergic to a variety of foods, including vegetables, fruits, plants, pellets, and hay.

Certain elements in the diet can occasionally cause an allergic reaction in guinea pigs, and this is known as food allergy.

You must be on the alert for indicators of food allergies and use an elimination technique to select the appropriate food from a list of possible foods.

Can guinea pigs be allergic to hay?

Hay is not an allergic reaction in guinea pigs. However, hay can occasionally include a significant amount of dust, which might induce an allergic reaction in guinea pigs when they eat it.

If your guinea pigs exhibit any obvious signs of illness, such as sneezing, watery eyes, or other symptoms, shortly after receiving hay, you should be concerned about the hay.

It should be noted that hay accounts for approximately 80 percent of the food of your guinea pig, and there is no way we can completely eradicate it from their diet.

The dust in the hay is responsible for the majority of allergic reactions to hay, and it is on this that we must concentrate our efforts.

Different types of hay have varying levels of moisture and yields, and so should be treated as such. These are the most important factors that influence the amount of dust produced by hay when it is being handled.

How to deal with hay allergy in guinea pigs?

In the event that you have just received a new bag of hay and you see certain allergic symptoms in your guinea pigs, there are a few options for dealing with the situation without throwing away the hay.

  • Remove a stack of hay from the field and place it in a storage container. You can now move the box to a convenient location, such as your sink, and fluff up the hay a little to get rid of any remaining dust. Place the hay back into the cage at this point.
  • You can use a nylon hay feeder pouch for this purpose. (Amazon) It helps by keeping all of the hay in one place, resulting in less dust being spread around your guinea pigs.
  • Lightly spritz the hay with a spray bottle to keep the level of dust down as much as possible.
  • Finally, it is possible that you will need to switch to a different brand or quality of hay. To be honest, I prefer Oxbow or Smallpetselect Hay, both of which I always purchase from Amazon because they seem to be the least dusty and of superior quality.
  • You can also purchase orchard hay on Amazon, which is less dusty than timothy hay and is a good alternative to Timothy hay. Orchard hay has a nutritional content that is comparable to that of timothy hay.

Please keep in mind that any changes you make to your guinea pig’s health and behavior may take several days to take effect.

Can guinea pigs be allergic to pellets?

Yes, guinea pigs can be allergic to pellets sometimes; however, in most cases, that is due to the fault of the owner itself.

Consequently, because the vast majority of guinea pig owners lack access to reliable information, they are unaware that not all guinea pig pellets are suitable for use with guinea pigs.

Yes, it is a sad fact of life that guinea pigs are not as popular as more traditional pets such as dogs and cats. As a result, many of the goods made for them are of low quality, and many of them contain substances that are harmful to our guinea pigs when combined.

Examples include specific substances in guinea pig diet pellets such as seeds, nuts and oil; rice bran and ground corn; and ground corn. These ingredients are found in the majority of the pellets available on the market; however, they are not harmful to our pets.

An allergic reaction to one particular type of pellets can also occur in guinea pigs, especially if the pellets contain some ingredients that are not suitable for your animals.

In any situation, you aren’t left with much of a choice. We recommend that you replace the pellets that you use for your guinea pigs.

Also, be cautious while purchasing pellets because you do not want the substances, which were previously stated, to be present in large numbers in your guinea pig’s meal.

Because they supply high-quality products that are specifically designed for our guinea pigs, I personally prefer Smallpetselect Guinea Pig Pellets purchased from Amazon.

Signs of food allergies in guinea pigs

Food allergies in guinea pigs manifest themselves in a variety of ways. Although it is possible to distinguish between the indicators of allergies and the signs of other frequent health conditions in guinea pigs, it can be difficult for an owner to do so.

Still, here are a few signs and symptoms to keep an eye out for:

  • Itchy skin
  • Scratching their ear
  • Hairloss or patches in the fur
  • Diarrhea
  • Bloating
  • Improper diet and water intake

Because hair loss or skin patches can take many weeks to manifest themselves, you must first seek for other indicators of the disease before proceeding.

However, if your guinea pig is already exhibiting signs of hair loss, you should take them to the veterinarian as soon as possible because this indicates that they have been suffering from a health or allergy issue for an extended period of time.

Causes of food allergies in guinea pigs

Types of food Causes of allergies
Hay Due to dust in hay
Pellets Certain ingredient in pellets like seeds, nuts, oil, rice bran, ground corn, etc
Vegetable Certain types of greens can lead to diarrhea and bloating in guinea pigs.
Fruits Certain kinds of fruits can lead to mouth sore and diarrhea as well.

How to manage food allergies in guinea pigs

In order to determine which foods are causing allergies in your Guinea Pigs, you must use the elimination approach as your only means of investigation.

There are no medical tests that your veterinarian can undertake to determine whether or not your pet has an allergy. Start by taking a look at what your guinea pigs are currently eating.

Were you the one who introduced a new food into your household in the last few weeks that is creating allergies? If you have just brought your new guinea pig home, you must inquire of the former owners about their prior diet and begin with the same food as before.

To begin with, try to eliminate any new vegetables, fruits, or pellets that have been added. For a week or two, pay special attention to the symptoms.

If your guinea pig exhibits any signs of relief, you have successfully resolved the situation. Alternatively, consult with your veterinarian about a well-balanced diet that you can gradually adapt to.

While transitioning, you may notice some symptoms of relief; if not, you can continue to follow the vet’s recommended diet while gradually adding one new item at a time until you identify the food that is causing all of this discomfort.

There is nothing more we can do to make this a less time-consuming and lengthy procedure, but there is nothing we can do.

Are guinea pigs allergic to anything?

Yes, guinea pigs can be allergic to a variety of things that are in their immediate environment. There are a range of environmental elements that can cause allergies in guinea pigs as well as other animals.

Common causes of allergies in guinea pigs

Some of the most common household items or environmental allergen in guinea pigs include:

  • The scent of detergent or any cleaning product
  • Air fresheners, body sprays, and perfumes
  • Essential oils or diffusers
  • Scented Parrafin Wax candles
  • A strong smell of cedarwood used in building
  • The smell of certain flowers
  • Dust
  • Kitchen fumes
  • Cigarette smoke
  • Fireplace or Wood burner fumes
  • fleas and mites

In a typical household, these are the allergens that cause the most problems for the guinea pigs.

In guinea pigs, just as in humans, there might be a variety of additional variables or allergens that can cause an allergic reaction.

Signs of irritation in guinea pigs

A few of the more evident indicators of irritation in guinea pigs include the following.

  • Eyes that are red and watery
  • Sneezing
  • Expulsion of mucus from the nostril
  • Scratching the skin is a bad idea.

If your guinea pigs exhibit any of the symptoms listed above, you must investigate the source of the problem and ensure that it is eliminated.

How to prevent irritation in guinea pigs?

Preventing irritation from occurring in the first place is a good decision to make. The health of a guinea pig can deteriorate from good to bad in a matter of hours.

Long-term exposure to allergens or irritants can result in major health problems in guinea pigs, including Upper Respiratory Tract Illness (UTI), various respiratory infections, such as rhinitis and bronchitis, and other respiratory diseases.

As a result, avoid utilizing certain irritants and household goods in the vicinity of your guinea pigs.

Some of the recommended practices to adhere to are as follows:

  • Ensure proper ventilation in the area you house your guinea pigs.
  • Use a fan or air vents for the circulation of air around the room.
  • Install a HEPA filter around the cage. (I personally use Levoit Air Purifier that I bought from amazon)
  • Use a natural floor & room cleaner to clean the room.
  • Clean your guinea pigs cage regularly.
  • Use some mild and natural cleaning products, such as vinegar and baking soda.
  • Clean your air ducts and cover regularly to remove dust.
  • Use scentless detergents for washing fleece or any of your guinea pig supplies like hideouts, etc.

Guinea pig allergic to bedding

Another prevalent type of allergy in guinea pigs is bedding allergy, which is another common type of allergy. The majority of the time, mattress allergies are caused by an unsuitable living environment.

You must ensure that you spot clean your guinea pigs’ cage on a daily basis, and that you deep clean their cage once per week.

Depending on how much debris has accumulated in the cage, you may need to change or wash the bedding. The majority of guinea pig bedding must be replaced every 7-10 days in order to prevent allergies in the animals.

Soiled bedding frequently results in ammonia accumulation as a result of stool and feces being left laying around the cage.

Pigs suffering from respiratory problems and other health problems as a result of ammonia buildup are known as “guinea pigs.”

As a result, make certain that the bedding is clean and that it is changed on a regular basis.

Guineadad fleece liners are my particular favorite because their beddings are extremely absorbent and odor-free. They are very simple to clean and can be reused multiple times.

Can guinea pigs be allergic to pine bedding?

Yes, it is possible for guinea pigs to be allergic to pine bedding. Pine bedding has a strong odor that can be irritating to your guinea pigs’ respiratory system because of the way it is made.

Some guinea pigs have had persistent skin problems as a result of using pine bedding, which has been documented in some situations.

As a result, avoid applying pine shaving in the cage where your guinea pigs are kept.

Because there are so many superior bedding options available on the market, it is advisable to avoid using pine shaving altogether. Although not all guinea pigs have a problem with it, it is best to avoid using it totally.

Can guinea pigs be allergic to aspen bedding?

Yes, guinea pigs can be allergic to aspen bedding as well.

However, aspen bedding allergy is not as common in guinea pigs as compared to pine bedding, but still, there can be some rare instances where your guinea pig can be allergic to aspen beddings as well.

Some common types of guinea pig allergic reactions

Allergic reactions in guinea pigs can lead to a wide variety of diseases in them. Some of the most common types of health issues caused by an allergic reaction in guinea pigs are:

  • Rhinitis or Sinusitis
  • Conjunctivitis
  • Asthma
  • Pasteurella
  • Eczema

Rhinitis or Sinusitis

Some of the most prevalent health disorders in guinea pigs are allergic Rhinitis and Sinusitis, both of which are caused by an allergic reaction in the animal.

Both of these respiratory infections can produce nasal discharge and frequent sneezing in guinea pigs, and they are both contagious.

Nasal membrane inflammation (rhinitis) and sinusitis (inflammation of the air-filled areas surrounding the sinus cavity of your guinea pigs) are two different types of inflammation that can occur in your animals.

Rhinitis and sinusitis are both contagious diseases that can be either infectious or non-infectious in origin.

While non-infectious Rhinitis or Sinusitis is caused by an allergen in the environment, such as a strong scent, dust, fumes, or other allergens, infectious Rhinitis or Sinusitis is almost always caused by a bacterial or viral infection.


Another common health issue in guinea pigs is conjunctivitis, which is caused by an allergic reaction to something they eat.

Although there are a variety of other variables that might contribute to Conjunctivitis in guinea pigs, hay and bedding allergies are among the most frequent.

Conjunctivitis in guinea pigs manifests itself in a variety of ways, the most frequent of which are red, watery, and itchy eyes.

In order to determine whether Conjunctivitis in Guinea Pigs is caused by an allergic reaction or by some other bacterial illness, it is recommended that you consult a veterinarian.

Depending on the cause that was determined, your veterinarian may suggest medication and treatment.


Guinea pig asthma is another serious ailment that can be brought on by continuous exposure to a specific allergen in the guinea pigs’ environment.

It is a respiratory condition that, if left untreated, can result in difficulty breathing as well as other health problems.

As a result, ensure that you consult a veterinarian to discover the source of your pet’s asthma and treat it properly.


Eczema is another another prevalent health problem that can be caused by an allergic reaction to mattress materials.

Pigs with eczema frequently exhibit the following symptoms: red and crusty skin, guinea pigs scratching their skin continually, followed by patches and rashes on their skin.

Using pine or cedar bedding in your guinea pig’s cage has been found to be associated with the development of such an allergic reaction, according to study.

There are a variety of other variables that might contribute to eczema in guinea pigs, including stress.