Blessed Touch

You channel devine energy to wounds. A creature you touch (other then undead and constructs) regain hit points equal to 1d4 + your spellcasting modifier. This spell has no effect on creatures at 0 hit points.

At higher levels, the healing increases:

5th level: 2d4 + spellcasting modifier

11th level: 3d4 + spellcasting modifier

17th level: 4d4 + spellcasting modifier