Symptoms
- lethargy
- open-mouth breathing
- clogged nostrils
- loss of appetite
- weight loss
- bubbly saliva
Cause
- low temps
- high humidity
Treatment
Respiratory infections are a bacterial infection, so if you suspect that your gecko is sick, make an appointment with your reptile vet immediately. The vet should prescribe antibiotics as well as a probiotic. The gecko may also need additional hydration and assist feeding during recovery.
For more information about leopard gecko respiratory infections, read this article from Anapsid.org.