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My male leopard gecko has a white bulge from its butt. Is it serious?

Updated on September 23, 2025

Pet's info: Reptile | Other Reptile | Male | -1 lbs

I was just wandering what this whiteish bulge stiking out of my leopard geckos butt is,and if it is a big problem.

3 Answers

Most Helpful Answer

Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

Published on March 30, 2019

That could be a sperm plug (or seminal exudate). It is normal in Male geckos. Typically, they pop out on their own but sometimes can be retained. Try soaking him in a warm bath for about 20 minutes. Afterwards, gently rock it back and forth to remove it. Don't force or pull it.
A more serious issue may be a prolapsed hemipene which should be considered a veterinary emergency. In this case, have him examined by your veterinarian or a vet experienced in treating reptiles as soon as possible for diagnosis and treatment.

4Pet Parents found this answer helpful

Related Answers from Veterinarians

Answered By Jessica Keay, DVM
Veterinarian
Published on May 21, 2018
I am sorry to hear about your gecko. It is hard to tell from the photo but I wonder if this could actually be his breastbone which looks prominent because he is dehydrated and underweight. I would recommend getting him to a vet who sees reptiles as soon as possible. If he is this ill, he likely needs aggressive supportive care such as fluid therapy to rehydrate him and an x-ray to check for intestinal blockage.
1Pet Parents found this answer helpful
Answered By Susan England-Foster
Veterinarian
Published on July 19, 2017
I am sorry your gecko is not feeling well. It is very hard to tell what is going on based on the picture. It is possible it has a skin infection, burn, problem shedding, prolapsed rectum or fungal disease. I would recommend takin him to a vet for a closer exam.
2Pet Parents found this answer helpful

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