You can use your action to administer first aid to an creature and attempt to stabilize it, which requires a successful DC 10 Wisdom (Medicine) check.
Stabilize a Creature
Action
Description
A stable creature doesn't make death saving throws, even though it has 0 hit points, but it does remain . The creature stops being stable, and must start making death saving throws again, if it takes any damage. A stable creature that isn't healed regains 1 hit point after hours.
Reference Details
- Sourcekey
- action|phb|stabilize a creature
- Actiontype
-
[{"number":1,"unit":"action"}] - Srd
- 1
- Basicrules
- 1
- Srd52
- Basicrules2024