Pressure sores can occur, for example, when you sit or lie in one position too long. Shearing is also a kind of pressure injury. It happens when the skin moves one way and the bone underneath it moves another way.
Quick Answer. Greer's goo is a type of barrier cream used in the treatment of intertrigo. Its composition is a mixture containing nystatin powder, hydrocortisone powder and zinc oxide paste, states Medscape. Intertrigo, which is a skin rash, manifests as diaper rash in babies.
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