What you are actually looking at
A prolapse is internal tissue that has been pushed out through the vent — the single opening at the base of the tail that a reptile uses for droppings and reproduction. What you see is a smooth, moist, pink to deep-red mass protruding where the vent should sit closed and flat, sometimes small and rounded, sometimes elongated. Depending on the animal and the cause, the tissue may be part of the gut, the bladder in species that have one, or reproductive tissue — a hemipene in males, laying tissue in females. It often appears after visible straining: a constipated animal pushing hard, a female working at eggs, or a male after breeding. You do not need to identify which tissue it is — that distinction is the vet's job, and every version of it is treated with the same urgency.
Why minutes and hours genuinely matter
Tissue that belongs inside the body is not built for the outside. Exposed to air it dries, and dried tissue swells, which makes it harder to return and starts to strangle its own blood supply at the ring of the vent. Meanwhile the enclosure works against it: substrate sticks to the moist surface, cage mates may bite at it, and bacteria colonise a surface with no skin to protect it. Tissue that stays out too long can be damaged beyond saving. Layered on top is the second emergency hiding behind the first — whatever made the animal strain hard enough to prolapse, whether a blockage, retained eggs, parasites or chronic straining, has not gone away and will drive a repeat the moment the tissue is replaced if it is not found and treated.
What to do in the first minutes
Your job is protection, not correction. Move the reptile onto clean plain paper towel or a clean cloth, away from loose substrate that would stick to the tissue, and away from any cage mates. Keep the prolapsed tissue moist — a clean cloth or gauze dampened with lukewarm water laid gently over it, kept damp while you prepare to travel — because moist tissue is salvageable tissue. Keep the animal warm at the cooler end of its normal range, quiet and dark, and handle it as little as possible. Then travel: phone ahead to a vet who treats reptiles or an emergency clinic so they are expecting you, and go. Photograph it before you cover it if that costs no time; a clear picture helps if the tissue shifts during the journey.
What not to do
Do not push the tissue back in. It is the single most tempting mistake and one of the most damaging: the tissue is swollen and fragile, its identity is unknown to you, and forcing it risks tears, contamination pushed inside, and returning dead or infected tissue to the body cavity where the damage becomes invisible and far worse. Do not pull at it, cut anything, or attempt to hold it in with tape or wraps. Do not decide to watch it overnight because the animal seems calm — reptiles mask distress well, and calm is not evidence that tissue is surviving. And do not wait hours for your usual vet to open; an emergency clinic that stabilises the tissue now, with referral after, beats the perfect vet later.
At the vet, and preventing the sequel
Expect the vet to identify the tissue, assess whether it is still healthy, and return or treat it under controlled conditions, then turn to the cause — imaging or tests for blockages, eggs or parasites, and questions about diet, hydration, temperatures and substrate that you should answer as precisely as you can. Afterwards, follow the aftercare exactly and keep the animal on plain paper until cleared. A prolapse that has happened once marks an animal whose setup or health needs the underlying fix, not just the repair. This is where the record earns its keep: the animal's KinsLe Pet Passport, holding its feeding history, laying dates and past vet findings, gives the emergency vet the background in one packet instead of a frightened summary at the desk.