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Reptiles/Leopard gecko not defecating


Hi Tracy,

I have a female leopard gecko, about 8 months old. She recently started an antibiotic prescribed by the vet to clear an eye problem, but since she's been on it (over a week now), she has not been defecating! Could this be a side effect of the antibiotics? She continues to eat a few mealworms a day even though she does not release what she has been eating. Her temps are 85-90ish on the warm side and 70ish on the cooler side. Could she be impacted? And if yes, is there anything I can do?

Hello Jeremy,

The antibiotics are very hard on the system & most times will dehydrate them.
Are you giving any probiotics such as non dairy soy yogurt or acidophiliz?
I would try to get some oral fluids into her if possible to help.  
What substrate is she on?
Which antibiotic is she on & what is the dose?  How much does she weigh?

Let me know how she is doing.



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Tracie Kretzschmar


I can answer questions pertaining to health, UVB specifics, overall husbandry care & supplementation, analysis of blood test results, and behavioral problems & handling. I can answer questions pertaining to bearded dragons, leopard geckos, iguanas, uromastyx & ball pythons. I can answer adeno virus related questions in bearded dragons, & then specifically about the testing methods as well. I am beginning an Pogona Adeno Testing Society in 2008 which will help to begin to start some standardization within the bearded dragon colonies of the breeders who choose to test.


I have been working with bearded dragons for over 5 years now, as well as leopard geckos, too. I am currently doing rescues, as well. I hope to be able to educate people prior to them purchasing an exotic pet in order to avoid any health crisis with them.

I have a master's degree in sports medicine & physiology, & 1 year of vet tech schooling, & am currently working on a reptile certification through the Pet Industry Joint Advisory Council.

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