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Why is my bearded dragon breathing with mouth open and puffing air?

Updated on September 23, 2025

Lately I have noticed my bearded dragon leaving his mouth slightly open. Sometimes, when his mouth is fully closed, he seems to "exhale" and I can see a little puff of air push out from his lips. Also I can see his beard growing and shrinking as he breathes. His home usually gets around 90 on one end and he eats about 3-4 superworms per day. He has greens though rarely touches them. Calcium sand bedding and a uvb lamp. Is this a normal habit or a cause for concern?

2 Answers

Most Helpful Answer

Todd Cecil

Answered By Todd Cecil

Veterinarian

Published on May 17, 2020

Thanks for reaching out about Smaug and including photos. Husbandry sounds good but diet is poor. Insects are not a complete diet and are highly deficient in vitamins and minerals, especially calcium. The clinical signs you mentioned are possible early signs of metabolic bone disease (difficulty inhaling) or a respiratory infection. A veterinary visit is recommended to assess and provide a diagnostic/treatment plan. Try syringe feeding a vegetable puree or Gerber's vegetable baby food until a veterinary visit can be scheduled. If a respiratory infection, antibiotics will likely be needed to provide recovery.
Good luck.
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Related Answers from Veterinarians

  • Answered By Angel Alvarado, LVT

    Licensed Veterinary Technician

    Published on November 3, 2017

    Wheezing or popping noises while breathing may indicate respiratory infection. Lethargy and "gaping" (opening and closing mouth) are also symptoms.
    You can monitor Clyde and if symptoms persist or worsen, you should have him examined by your herp veterinarian.

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    1Pet Parents found this answer helpful

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