
The Swiss cheese plant, also known as Monstera deliciosa, is a popular houseplant characterised by its large, distinctive leaves with holes, resembling Swiss cheese. While this plant adds a decorative touch to homes, it poses a potential health risk to pets, including birds. The presence of calcium oxalate crystals in all parts of the plant, particularly the leaves, can lead to toxicity if ingested by birds. This toxicity can cause irritation and pain in the mouth and stomach, with potential for more severe consequences in larger quantities. As birds may be attracted to chewing on plants, it is crucial for bird owners to be aware of the potential dangers posed by the Swiss cheese plant and take necessary precautions to ensure the safety of their feathered companions.
| Characteristics | Values |
|---|---|
| Common Name | Swiss Cheese Plant |
| Scientific Name | Monstera Deliciosa |
| Family | Araceae |
| Toxins | Calcium Oxalate Crystals, possibly Proteinase depending on species |
| Poisoning Symptoms | Intense burning sensation in the mouth, throat, lips, and tongue; excessive drooling, choking, and swelling of the throat, inability or difficulty swallowing (dysphagia); symptoms may continue up to two weeks after ingestion |
| Treatment | Rinse and flush the mouth with water, then give the bird yoghurt, milk, cheese, or any other source of calcium to relieve pain |
| Prevention | Educate bird owners about plants that may be poisonous to birds, keep birds in their cages, or remove toxic plants from the home |
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What You'll Learn
- Swiss cheese plants contain calcium oxalate crystals
- Birds are naturally curious and playful, which can lead to accidental ingestion
- Ingestion causes an intense burning sensation in the mouth, throat, lips and tongue
- Swiss cheese plants are toxic to birds, but recovery is possible
- If ingested, the bird's mouth should be rinsed and flushed with water

Swiss cheese plants contain calcium oxalate crystals
Swiss cheese plants, also known as Monstera plants, are toxic to birds. This is due to the presence of calcium oxalate crystals in all parts of the plant. Birds are often seen trying to chew on plants kept around them. If they ingest the leaves of a Swiss cheese plant, the calcium oxalate crystals can irritate the mouth and stomach, causing pain and discomfort.
Calcium oxalate crystals are found in many plants, including the Swiss cheese plant. These crystals are sharp and needle-shaped, and they are packed in bundles within the plant cells. When an animal chews on the plant, the plant cells are damaged, causing water to enter and swell up the cells. This, in turn, forces the sharp crystals to be violently propelled into the surrounding area, including the mouth and throat, causing tissue injuries.
The crystals can also penetrate and embed themselves into the tissues of the mouth, tongue, throat, and stomach, resulting in immediate discomfort and irritation. This can lead to symptoms such as an intense burning sensation, excessive drooling, choking, gagging, and potentially serious swelling of the throat, which could cause difficulty swallowing. These symptoms can occur immediately or up to two hours after ingestion and may continue for up to two weeks.
In addition to the physical irritation and discomfort caused by the crystals, the Swiss cheese plant also contains proteinase (proteolytic enzymes) that break down proteins into amino acids. This process stimulates the release of kinins and histamines, which cause inflammation, affect blood pressure, and stimulate pain receptors. As a result, the inflammatory response exacerbates the damage and irritation caused by the embedded calcium oxalate crystals.
If a bird ingests any part of a Swiss cheese plant, it is essential to seek veterinary assistance immediately. While Swiss cheese plant poisoning is rarely fatal, it can cause significant pain and discomfort for the bird. Veterinary professionals can provide guidance on managing the bird's care and treatment to mitigate the toxic effects of the plant.
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Birds are naturally curious and playful, which can lead to accidental ingestion
Birds are naturally curious and playful creatures, and this can sometimes lead them to ingest things that are harmful to them. Swiss cheese plants, also known as Monstera plants, are toxic to birds. They contain calcium oxalate crystals, which are highly irritating to birds if ingested. These crystals can cause pain and irritation in the mouth and stomach, as well as other more serious symptoms such as excessive drooling, choking, and swelling of the throat. In some cases, ingestion of large quantities of the plant can lead to severe digestive upset, extreme difficulty breathing, and even death.
The curious nature of birds can put them at risk of ingesting toxic plants. They may be attracted to the leaves of the Swiss cheese plant, which have distinctive holes that give the plant its name. Birds may try to chew on the leaves, unaware of the toxicity of the plant.
To prevent accidental ingestion, bird owners should be cautious about the plants they keep in their homes. If a bird owner is fond of the Swiss cheese plant, they should take measures to ensure their bird cannot access it. This may include keeping the bird in its cage when unsupervised or removing the plant from the home altogether.
In the event that a bird does ingest the Swiss cheese plant, owners should contact their veterinarian immediately. While some cases of calcium oxalate ingestion can be managed at home by rinsing the mouth with water and providing calcium-rich foods like yogurt or cheese, more severe cases may require veterinary intervention. It is important to monitor the bird for any signs of toxicity and seek professional help if needed.
By understanding the potential dangers of common household plants, bird owners can take the necessary precautions to protect their feathered friends from accidental ingestion and potential harm.
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Ingestion causes an intense burning sensation in the mouth, throat, lips and tongue
Swiss cheese plants, also known as Monstera plants, are toxic to birds. They contain calcium oxalate crystals, which are highly irritating to the mouth and stomach of birds. Ingesting the plant causes an intense burning sensation in the mouth, throat, lips, and tongue. The bird may also experience excessive drooling, choking, and swelling of the throat. These symptoms can persist for up to two weeks after ingestion.
The intensity of the symptoms depends on the amount ingested. Ingesting larger quantities can result in severe digestive upset, extreme difficulty breathing, and rapid shallow gasps. If a bird consumes a massive amount, the symptoms can become life-threatening and may include convulsions, renal failure, coma, and even death.
Upon suspecting that a bird has ingested any part of a Swiss cheese plant, immediate action should be taken. Rinse and flush the bird's mouth thoroughly with water. Then, give the bird yogurt, milk, cheese, or any other source of calcium to help relieve the pain and precipitate some of the calcium oxalate crystals. In most cases, the bird will make a full recovery within 12 to 24 hours of ingestion.
However, if the bird experiences severe gastrointestinal upset, persistent vomiting, and diarrhea, it should be carefully monitored for signs of dehydration and provided with fluid therapy if needed. In cases of obvious oral swelling, it may be advisable to administer an antihistamine, such as diphenhydramine (Benadryl). Due to the potential severity of the toxicity, it is always recommended to contact a veterinarian for guidance and support.
To prevent accidental ingestion, bird owners should be cautious about the plants they keep in their homes. It is essential to ensure that birds are not exposed to toxic plants, as their curious and playful nature can lead them to explore and ingest harmful substances.
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Swiss cheese plants are toxic to birds, but recovery is possible
Swiss cheese plants, also known as Monstera deliciosa, are toxic to birds. They contain calcium oxalate crystals, which are highly irritating to birds if ingested, causing pain in the mouth and stomach. In addition, the plant contains raphides, or needle-like crystals of calcium oxalate, that are sharp and can violently shoot out from the cells when chewed, further exacerbating the toxic effects.
The toxic effects of Swiss cheese plants on birds can be severe, including an intense burning sensation in the mouth, throat, lips, and tongue, as well as excessive drooling, choking, and swelling of the throat. These symptoms can persist for up to two weeks after ingestion. Ingesting larger quantities can lead to severe digestive upset, extreme difficulty breathing, and even more severe consequences such as convulsions, renal failure, coma, and death.
However, recovery from Swiss cheese plant toxicity is possible for birds. In most cases of calcium oxalate ingestion, treatment can be managed at home. It is recommended to rinse and flush the bird's mouth thoroughly with water to reduce the irritation. Additionally, providing the bird with yogurt, milk, cheese, or other sources of calcium can help alleviate pain and precipitate some of the calcium oxalate crystals.
In the majority of cases, birds will make a full recovery within 12 to 24 hours of ingestion. However, if the bird experiences severe gastrointestinal upset, persistent vomiting, or diarrhea, it is important to monitor them carefully for signs of dehydration and provide fluid therapy if needed. In cases of oral swelling, administering an antihistamine like diphenhydramine (Benadryl) can be beneficial.
To prevent accidental ingestion, bird owners should be cautious about the plants they keep in their homes. If birds are prone to chewing on plants, it is advisable to keep them in their cages or remove toxic plants from the household altogether. Educating oneself about toxic plants and their effects can help bird owners provide prompt treatment and increase the chances of recovery.
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If ingested, the bird's mouth should be rinsed and flushed with water
Swiss cheese plants, also known as Monstera plants, are toxic to birds. They contain calcium oxalate crystals, which are highly irritating to the mouth and stomach of birds. If ingested, the bird will likely experience an intense burning sensation in its mouth, throat, lips, and tongue, as well as excessive drooling, choking, and swelling of the throat. In more severe cases, ingestion can lead to convulsions, renal failure, coma, and even death.
If a bird ingests any part of a Swiss cheese plant, immediate action should be taken to rinse and flush its mouth thoroughly with water. This is crucial to remove any remaining plant material and crystals from the bird's mouth. After rinsing, it is recommended to give the bird a source of calcium, such as yogurt, milk, or cheese. This helps to relieve pain and potentially precipitate some of the ingested calcium oxalate crystals.
It is important to act quickly and efficiently in such situations. While most birds will make a full recovery within 12 to 24 hours of ingestion, severe cases may require veterinary attention. If the bird experiences severe gastrointestinal upset, persistent vomiting, or diarrhea, it is important to monitor for signs of dehydration and provide fluid therapy if necessary.
Additionally, in cases of obvious oral swelling or as a preventative measure, it may be advisable to administer an antihistamine, such as diphenhydramine (Benadryl). Bird owners should be vigilant and contact their veterinarian immediately if they suspect their bird has ingested any toxic plant material.
To prevent accidental ingestion, bird owners should be cautious about the types of plants they keep in their homes. It is recommended to keep pet birds in their cages or remove toxic plants from the bird's environment altogether.
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Frequently asked questions
Yes, the Swiss cheese plant, also known as Monstera, is toxic to birds.
Birds who ingest the plant will experience irritation in the mouth and stomach. In most cases, birds show signs of irritation, but the risk is high when swelling occurs.
If your bird has ingested the Swiss cheese plant, rinse and flush its mouth thoroughly with water. Then, give the bird yoghurt, milk, cheese, or any other source of calcium to relieve pain. In most cases, the bird will make a full recovery within 12 to 24 hours.
To prevent accidental ingestion, bird owners should be aware of plants that are poisonous to birds and avoid keeping them around birds. Alternatively, keep the bird in its cage most of the time or remove the plant from your home.

























