Can i outgrow my nummular eczema or will i always have it?

Depends: Eczema tends to be a chronic skin disorder that comes and goes, and can be triggered by excessive heat or cold, sun, wind, dry arid climate, stress, allergic reactions. Eczema can resolve in some people over time especially if they identify allergies and can control them, or move to better climate or geographic location with less seasonal allergies. Many factors.