The primary use of topical hydrocortisone is to
a. hydrate the skin.
b. relieve itching.
c. prevent infection.
d. reduce inflammation.

The answer is letter B.  

This medication is a type of mild corticosteroid that treats a variety of skin conditions. Skin conditions like insect bites, poison oak/ivy, dermatitis, allergies, among others are the common diseases that can be relieved by this drug. It reduces the itching on the surface of the affected skin as well as the prevention of further swelling and redness of the skin. There are many varieties available in the market which contains this drug and it can be purchased without a prescription. It is only advisable to use it on the skin except on the face and underarms unless prescribed by the doctor.