Bearded dragons are popular pets known for their unique appearance and docile nature. These reptiles are native to Australia and have become increasingly popular as pets due to their low maintenance requirements and friendly demeanor. However, it is important for owners to understand the behavior of bearded dragons in order to provide them with the best care possible. One behavior that owners should pay attention to is mouth breathing, as it can indicate underlying health issues. In this article, we will explore the various reasons why bearded dragons may keep their mouths open and discuss how to prevent and treat this behavior.
Key Takeaways
- Bearded dragons are naturally active during the day and may bask in the sun for hours.
- Mouth breathing is a normal behavior in bearded dragons, especially during basking or when regulating body temperature.
- Open-mouth breathing can also be a sign of stress, dehydration, dental issues, respiratory infections, overheating, or parasites.
- Overheating and heat stress can cause mouth breathing, lethargy, and loss of appetite in bearded dragons.
- To prevent and treat mouth breathing in bearded dragons, maintain proper temperature and humidity levels, provide clean water, and seek veterinary care if necessary.
Understanding the Normal Behavior of Bearded Dragons
Before diving into the reasons behind mouth breathing in bearded dragons, it is important to understand their typical behavior. Bearded dragons are diurnal reptiles, meaning they are most active during the day. They are known for their calm and friendly nature, making them great pets for both beginners and experienced reptile owners. These reptiles are also known for their unique ability to change the color of their skin, puff out their throat to resemble a beard, and perform a series of head-bobbing displays.
Observing changes in behavior is crucial when it comes to the health of bearded dragons. Any sudden changes in behavior, including mouth breathing, should be taken seriously and investigated further. This is because changes in behavior can often indicate underlying health issues that require attention and treatment.
The Role of Mouth Breathing in Bearded Dragons
Bearded dragons primarily breathe through their nostrils, but they also have the ability to breathe through their mouths. Mouth breathing in bearded dragons serves several important functions. Firstly, it helps regulate their body temperature by allowing them to cool down when they are too hot. Secondly, it aids in the intake of oxygen when they are exerting themselves or need an extra boost of oxygen. Lastly, mouth breathing can also occur as a result of stress or anxiety.
Common Reasons Why Bearded Dragons Keep Their Mouths Open
There are several reasons why bearded dragons may keep their mouths open. One common reason is overheating and heat stress. Bearded dragons are ectothermic, meaning they rely on external sources of heat to regulate their body temperature. If the temperature in their enclosure is too high, they may open their mouths to release excess heat and cool down.
Respiratory infections can also cause bearded dragons to keep their mouths open. These infections can be caused by bacteria, viruses, or fungi and can lead to symptoms such as wheezing, coughing, and difficulty breathing. If a bearded dragon is exhibiting these symptoms along with mouth breathing, it is important to seek veterinary care as soon as possible.
Dental issues can also contribute to mouth breathing in bearded dragons. Overgrown teeth, tooth decay, or mouth injuries can make it difficult for them to close their mouths properly, leading to mouth breathing. Regular dental care, including proper diet and regular tooth brushing, can help prevent these issues.
Dehydration is another common cause of mouth breathing in bearded dragons. These reptiles require a humid environment and access to fresh water at all times. If they become dehydrated, they may open their mouths in an attempt to increase moisture intake.
Overheating and Heat Stress in Bearded Dragons
Overheating and heat stress are common issues that can lead to mouth breathing in bearded dragons. These reptiles require a basking spot with a temperature range of 95-105°F (35-40°C) and a cooler side of the enclosure with a temperature range of 75-85°F (24-29°C). If the temperature in the enclosure exceeds these ranges, bearded dragons may become overheated and exhibit signs of heat stress.
Signs of overheating and heat stress include open-mouth breathing, lethargy, loss of appetite, and darkening of the skin. To prevent overheating and heat stress, it is important to provide a properly heated enclosure with a temperature gradient, as well as access to shade and fresh water at all times. Regularly monitoring the temperature in the enclosure and adjusting it as needed is also crucial.
Respiratory Infections and Mouth Breathing in Bearded Dragons

Respiratory infections are a common cause of mouth breathing in bearded dragons. These infections can be caused by bacteria, viruses, or fungi and can lead to symptoms such as wheezing, coughing, nasal discharge, and difficulty breathing. If a bearded dragon is exhibiting these symptoms along with mouth breathing, it is important to seek veterinary care as soon as possible.
Respiratory infections in bearded dragons can be caused by poor husbandry practices, such as inadequate temperature gradients, improper humidity levels, or poor ventilation in the enclosure. It is important to provide a clean and well-ventilated enclosure with proper temperature and humidity levels to prevent respiratory infections. Regular veterinary check-ups are also important to catch any potential respiratory issues early on.
Dental Issues and Mouth Breathing in Bearded Dragons
Dental issues can also contribute to mouth breathing in bearded dragons. Overgrown teeth, tooth decay, or mouth injuries can make it difficult for them to close their mouths properly, leading to mouth breathing. Regular dental care is crucial for maintaining the oral health of bearded dragons.
To maintain dental health, it is important to provide a balanced diet that includes a variety of insects, leafy greens, and occasional fruits. Chewing on hard objects such as rocks or branches can also help keep their teeth clean and prevent overgrowth. Regular tooth brushing with a soft-bristled toothbrush designed for reptiles can also help prevent dental issues.
Dehydration and Mouth Breathing in Bearded Dragons
Dehydration is another common cause of mouth breathing in bearded dragons. These reptiles require a humid environment and access to fresh water at all times. If they become dehydrated, they may open their mouths in an attempt to increase moisture intake.
To prevent dehydration, it is important to provide a shallow water dish that is large enough for the bearded dragon to soak in. The water should be changed regularly to ensure freshness. Additionally, misting the enclosure with water can help increase humidity levels and prevent dehydration. Monitoring the hydration levels of your bearded dragon by observing their skin elasticity and overall behavior is also important.
Stress and Anxiety in Bearded Dragons
Stress and anxiety can also cause bearded dragons to exhibit mouth breathing. These reptiles are sensitive to their environment and can become stressed or anxious if they feel threatened or if their needs are not being met. Common stressors for bearded dragons include loud noises, sudden movements, overcrowded enclosures, and improper handling.
To reduce stress and anxiety in bearded dragons, it is important to provide a calm and quiet environment. Avoid sudden loud noises or movements that may startle them. Providing hiding spots and plenty of space in their enclosure can also help reduce stress. Proper handling techniques, such as supporting their body and avoiding excessive restraint, can also help prevent stress.
Parasites and Mouth Breathing in Bearded Dragons
Parasites are another common cause of mouth breathing in bearded dragons. These reptiles can become infected with internal parasites such as worms or protozoa, as well as external parasites such as mites or ticks. Parasite infestations can lead to a variety of symptoms, including mouth breathing.
Regular veterinary check-ups are important for detecting and treating parasite infestations early on. Your veterinarian may recommend fecal testing to check for internal parasites and prescribe appropriate medications if necessary. Proper hygiene practices, such as regularly cleaning and disinfecting the enclosure, can also help prevent parasite infestations.
How to Prevent and Treat Mouth Breathing in Bearded Dragons
Preventing and treating mouth breathing in bearded dragons depends on the underlying cause. Here are some general tips for preventing and treating mouth breathing:
– Maintain proper temperature and humidity levels in the enclosure to prevent overheating and heat stress.
– Provide a balanced diet and regular dental care to prevent dental issues.
– Ensure access to fresh water at all times to prevent dehydration.
– Create a calm and stress-free environment for your bearded dragon.
– Regularly monitor your bearded dragon’s behavior and seek veterinary care if any changes or symptoms arise.
Treatment options for mouth breathing will vary depending on the underlying cause. If you suspect overheating or heat stress, it is important to adjust the temperature in the enclosure and provide shade and fresh water. If a respiratory infection is suspected, veterinary care is necessary for proper diagnosis and treatment. Dental issues may require a visit to a reptile veterinarian for examination and potential dental work. Dehydration can often be resolved by providing access to fresh water and increasing humidity levels. If stress or anxiety is causing mouth breathing, it is important to identify and address the source of stress.
Understanding the behavior of bearded dragons is crucial for providing them with the best care possible. Mouth breathing in bearded dragons can indicate underlying health issues that require attention and treatment. By observing changes in behavior, providing a suitable environment, and seeking veterinary care when necessary, owners can help prevent and treat mouth breathing in their beloved pets. Remember, if you notice any concerning symptoms or changes in behavior, it is always best to consult with a reptile veterinarian for proper diagnosis and treatment.
If you’re wondering why your bearded dragon keeps his mouth open, it could be a sign of a health issue or discomfort. One possible explanation is the presence of an orange coloration around their eyes. This article from Reptile Wizard explores the reasons behind this phenomenon and provides insights into how to address it. Understanding the potential causes and solutions can help ensure the well-being of your beloved reptile companion. For more information, check out the article here. Additionally, if you have any further questions or concerns about your bearded dragon’s behavior, feel free to reach out to Reptile Wizard’s knowledgeable team through their contact page here.
FAQs
What does it mean when a bearded dragon keeps its mouth open?
When a bearded dragon keeps its mouth open, it could be a sign of several things, including overheating, respiratory infection, or stress.
How can I tell if my bearded dragon is overheating?
If your bearded dragon is overheating, it may keep its mouth open to regulate its body temperature. Other signs of overheating include lethargy, lack of appetite, and a darkening of the skin.
What should I do if I suspect my bearded dragon has a respiratory infection?
If you suspect your bearded dragon has a respiratory infection, it is important to take it to a veterinarian who specializes in reptiles. Symptoms of a respiratory infection include open-mouth breathing, wheezing, and mucus around the nose and mouth.
How can I reduce stress in my bearded dragon?
To reduce stress in your bearded dragon, make sure it has a comfortable and spacious enclosure, with plenty of hiding places and climbing opportunities. Additionally, avoid handling your bearded dragon too much, as this can cause stress.

