Skink pneumonia
Skink pneumonia is an infection of the deep respiratory tract (lungs) affecting these small lizards, including the sand skink (Scincus scincus). It is often linked to poor breeding conditions, in particular a terrarium that is too cold or t...
What is it?
Skink pneumonia is an infection of the deep respiratory tract (lungs) affecting these small lizards, including the sand skink (Scincus scincus). It is often linked to poor breeding conditions, in particular a terrarium that is too cold or too humid. This is an emergency in reptiles, because these animals do not compensate well for a lack of oxygen.
Key point
Untreated pneumonia progresses quickly in reptiles and can be fatal within a few days.
Commonly observed signs
These signs are neither exhaustive nor specific. Only a veterinarian can establish a diagnosis.
Related signs — each one links to its page:
The signs of pneumonia in skinks are often discreet at first, as this reptile hides the illness by instinct.\nDifficult breathing may be observed, sometimes accompanied by a whistling or crackling sound.\nThe skink may keep its mouth ajar to breathe, which is abnormal for it.\nA discharge from the nose or mouth, foamy saliva, loss of appetite and general depression are frequent.\nThe animal is often less active, remains hidden and gradually loses weight.
When to consult without delay
This list does not replace veterinary advice. It gathers situations that justify a prompt consultation.
Causes and risk factors
Pneumonia most often results from an opportunistic bacterial infection (bacteria such as Pseudomonas, Klebsiella or other environmental germs), sometimes associated with respiratory parasites or fungi.\nThese agents take advantage of a weakening of the animal, itself caused by unsuitable maintenance conditions.
The main risk factor is a poorly adjusted terrarium: too low or unstable temperature, excessive humidity, poor ventilation, damp or dirty litter.\nStress, a lack of a suitable hot spot, absent quarantine when introducing a new animal, an unbalanced diet and a weakened immune system also favor the appearance of the disease.\nThe sand skink, native to hot and dry desert areas, is particularly sensitive if its environment does not reproduce these conditions.
Diagnosis and care
Diagnosis is the veterinarian's responsibility, based on clinical examination and laboratory tests. Care is decided case by case.
The veterinarian specializing in reptiles carries out a complete clinical examination, listens to breathing, and asks about maintenance conditions (temperature, humidity, hygiene of the terrarium).\nAdditional examinations such as an x-ray, a sample of the respiratory tract for bacteriological analysis, or a blood test can be offered to confirm the diagnosis and identify the germ in question.
Treatment
Treatment is based on targeted antibiotic therapy according to the identified germ, associated with immediate correction of breeding conditions.\nGeneral support (rehydration, nutritional assistance, maintenance at an optimal temperature) is often necessary.\nIn certain cases, an antifungal or an antiparasitic agent may be combined if these agents are involved.
Treatment depends on the cause and the animal's condition: it must be determined by a veterinarian. No self-medication.
Prevention
Prevention is based above all on a terrarium adapted to the species: correct daytime and nighttime temperature with a thermal gradient, dry desert-type substrate, low humidity and good ventilation.\nIt is recommended to clean the installation regularly, avoid cold drafts, quarantine any new animals, and monitor the general condition of the skink on a daily basis.\nA varied and appropriate diet also strengthens its natural defenses.
Possible complications
Without rapid treatment, pneumonia can progress to severe respiratory failure, septicemia (generalized infection) and the death of the animal.\nA chronic or recurrent disease can also set in if the maintenance conditions are not corrected in the long term.
When to see a veterinarian
The skink breathes with its mouth open or with an abnormal noise.\nBubbles or discharge appear at the nose or mouth.\nThe animal has refused to eat for several days.\nIt is abnormally depressed, immobile or remains permanently hidden.
Prognosis
The prognosis is favorable if the disease is detected early and if the terrarium conditions are corrected quickly, in addition to veterinary treatment.\nIn the event of late diagnosis, the prognosis becomes guarded, with reptiles often decompensating quickly in the event of advanced respiratory disease.
Frequently asked questions
Are sand skinks more susceptible to pneumonia than other lizards?
Yes, because it comes from dry and hot desert environments. A terrarium that is too humid or too cold quickly weakens it at the respiratory level.
Can you treat skink pneumonia without a veterinarian?
No, it is not recommended to self-medicate a reptile. Only a veterinarian can identify the germ in question and offer appropriate and safe treatment.
How do I know if my skink is just cold or sick?
A skink that is cold becomes slow but breathes normally. Noisy breathing, open mouth or discharge should always seek medical attention.
Is skink pneumonia contagious to other reptiles?
Certain germs involved can be transmitted between reptiles living together, hence the importance of isolating any sick animal and quarantining new arrivals.
References
AVMA — American Veterinary Medical Association
Content reviewed by the TunisieVet editorial team · Updated 27 September 2026
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