Overuse of.... ..Cortisone creams can cause thinning of the skin, which sometimes results in permanent stretch marks. Fine blood vessels may swell and become prominent under the skin surface. In rare cases enough cortisone might be absorbed internally to cause growth suppression or adrenal gland suppression. That's why dermatologists use only the mildest steroid creams on babies, and monitor them closely.
Relatively safe. Cortisone creams can be used to treat the inflammation associated with facial eczema in a baby. Problems arise (scarring, atrophy, telangiectasia, etc) with prolonged use - greater than 3+ consecutive weeks at a time. Make sure there is a dermatologist involved in the management of the severe facial eczema that you report to make sure that the best treatment is being applied.