It depends — first make sure your dragon is warm enough, then judge the other signs. A bearded dragon that isn't moving may simply be too cold (they can't move well below the right temperature) or brumating (a normal winter slow-down), or it may be genuinely ill. Check the basking temperature first. If your warmed-up dragon is still limp, unresponsive, very dark, has sunken eyes, or shows any other red flag, see a reptile-savvy vet — and treat an unresponsive or collapsed dragon as an emergency.
## Warmth first — reptiles depend on it Bearded dragons are ectotherms: below their required temperature they become sluggish and barely move. Before assuming illness, check that the basking spot is around 38–42°C (100–108°F) and the enclosure isn't cold (for example after a bulb failure or a cold night). A cold dragon warmed gradually to the correct temperature often perks up — if it does, the problem was husbandry.
## Brumation versus illness In cooler, shorter-day months a mature dragon may slow right down and hide for weeks (brumation), which is normal if it keeps a stable weight and looks well when roused. Illness is more likely with weight loss, sunken eyes, a persistently dark beard, weakness, not passing droppings, or any breathing trouble — or in a juvenile, which shouldn't brumate.
## What to do Gently warm your dragon to the correct temperature and offer a shallow warm bath. If it responds and behaves normally, review and maintain the husbandry. If it stays limp or unresponsive, is losing weight, is a juvenile, or shows other signs, see a reptile-savvy vet promptly — and go urgently if it's collapsed or won't respond at all.
Get to a vet immediately if you see any of these
- Limp or unresponsive even after warming to the correct temperature
- Not moving with open-mouth breathing, mucus, or gasping
- Not moving with tremors, a soft jaw, or weakness (possible MBD)
- Weight loss, sunken eyes, or a persistently dark beard with lethargy
- A juvenile that has become still and inactive
Common questions
My dragon is cold and barely moving — is that an emergency?
First warm it gradually to the correct basking temperature; a cold reptile is naturally sluggish and often recovers once warm. If it stays limp or unresponsive after warming, that's an emergency needing a vet.
How do I tell brumation from illness?
Brumation is a normal winter slow-down in a mature dragon that keeps a stable weight and looks well when roused. Weight loss, sunken eyes, a persistently dark beard, weakness, or breathing trouble point to illness — as does inactivity in a juvenile. When unsure, a reptile vet can check.
Should I try to wake a brumating dragon?
You can gently offer warmth, a bath, and water periodically and monitor the weight, but forcing a truly brumating healthy dragon to stay active isn't necessary. The key is distinguishing normal brumation from illness by weight and other signs.
Sources
This page is general guidance, not veterinary advice, and cannot diagnose your pet. It does not replace an examination by a licensed veterinarian. When in doubt, treat it as an emergency and contact a vet or your nearest 24/7 emergency clinic right away.
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