acid-having the characteristics of an acid; an acid reaction. chemical science, chemistry-the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions.
Topical Steroids. One of the most commonly prescribed medications for eczema is topical corticosteroids, or just steroids, which can ease redness and reduce inflammation and itching so that your skin can begin to heal. Steroids are naturally occurring substances that our bodies make in order to regulate growth and immune function.
Over-the-Counter Corticosteroid Cream. For most people, over-the-counter corticosteroid creams are the first line of defense against the pervasive itch of psoriasis. Hydrocortisone 1% cream is a commonly used OTC anti-itch medication. Hydrocortisone can be highly effective in the short term. For example, one study found that after four weeks, more than two-thirds of people using hydrocortisone saw their psoriasis rash clear up completely.