What causes MBD in reptiles?
Christopher Anderson
Published Mar 07, 2026
What causes MBD in reptiles?
MBD occurs when there’s an improper balance of vitamins, minerals, and nutrients making up the reptile’s bones. Key factors are too much phosphorous, and low calcium and low vitamin D3 which regulate calcium absorption.
How do you prevent MBD in reptiles?
The most important treatment for most cases of MBD (with the exception of those cases secondary to a pre-existing medical condition) is proper husbandry. This includes a diet which combines nutrient dense fresh fruits and vegetables with protein sources like crickets and mealworms to ensure properly balanced nutrition.
How do you reverse a MBD?
Fortunately, if detected early enough, MBD can often be corrected and reversed through making changes and improvements to the husbandry of the animal by providing the needed or adequate levels of UV-A and UV-B lighting and heating, proper supplementation, and other nutrients.
How do you treat MBD?
A balanced diet with adequate amounts of vitamin D and calcium and an adequate amount of physical activity are needed for normal bone metabolism. Your doctor may prescribe osteoporosis medications to help slow the rate of bone loss, and in some cases, to replace the lost bone structure.
What are the symptoms of MBD?
Typical symptoms of metabolic bone disease include:
- Limping.
- Bowed legs.
- Hard lumps along the legs, spinal column, or jaw.
- Softening and unusual flexibility of the lower jaw.
- Difficulty raising the body off the ground.
- Decreased appetite.
Why do reptiles need calcium?
Without proper sun or UVB exposure, pet reptiles can be deficient in vitamin D3 and therefore deficient in calcium. Calcium is vital for bone growth and maintenance, muscle function, and metabolism. When blood calcium levels are low—a condition called hypocalcemia—an animal may suffer muscle twitches and lethargy.
Can I give my bearded dragon a calcium bath?
Sometimes it’s recommended you give your bearded dragon a ‘calcium bath’. Adding a few drops of liquid calcium to a water source is fine, but the dragon will only hydrate or benefit if the water is drank orally.
Can reptiles be born with MBD?
1 Metabolic Bone Disease Metabolic bone disease is commonly seen in juvenile reptiles, but adult reptiles, particularly reproductively active females, can also develop the disease.
What are the symptoms of metabolic bone disease?
Can MBD be genetic?
The MBD5 gene is one of a family of genes called the methyl-CpG-binding domain (MBD) genes. These genes provide instructions for making proteins that help regulate gene activity (expression) by modifying chromatin, the complex of DNA and protein that packages DNA into chromosomes.
Do all reptiles need calcium supplements?
Without proper sun or UVB exposure, pet reptiles can be deficient in vitamin D3 and therefore deficient in calcium. Calcium is vital for bone growth and maintenance, muscle function, and metabolism.