Cauterize

This spell deals 1 fire damage to a creature you touch, then that creature regains a number of hit points equal to 1d8 + your spellcasting ability modifier. 

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the damage dealt increases by 1 for each slot level above 1st, healing increases by 1d8 for each slot level above 1st.