Potency of topical steroids

Hydrocortisone and betamethasone are examples of low- and high-potency topical corticosteroids. Topical corticosteroids have been ranked in terms of potency into four groups consisting of seven classes. Class I topical corticosteroids are the most potent and Class VII are the least potent. Efficacy and side-effects are greatest with the Class I ultra-high-potency preparations which should only be used for limited time periods (2-3 weeks). Representative preparations by group are listed in the table below. These groups may vary depending on the formulation and concentration and should be considered approximate. In general, ointments are more potent than creams or lotions. Potency is also increased when topical corticosteroids are used under occlusive dressings or in intertriginous areas.

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The doctor may suggest hospitalization simply because it may be necessary to break the cycle of chronic inflammation, or other problems that are exacerbating the illness. Frequently, five or six days of vigorous in-hospital treatment care can result in a dramatic clearing of the eczema. Food tests, allergy skin testing, and the development of an outpatient therapy plan can all be done during the hospitalization. Unfortunately, getting approval from insurers is often difficult. During an acute flare the number of 15-20 minute baths must be increased to three or four per day. Besides hydrating the skin, baths also increase the penetration of topical medication up to ten-fold if the medicine is applied immediately after the bath. Wet wraps after baths may also help hydration and medicinal penetration. Bedtime wet wraps are most practical, and can be done with elasticized gauze followed by ace bandages or double pajamas. (The first pair of pajamas is worn damp but not soaking wet, and a second pair of dry pajamas is worn over them. For a tighter fit, sometimes a plastic sauna suit is used instead of the dry pajamas.) For feet and hands, socks can be used. Additional blankets or increased room heat may be necessary during this three to seven days to prevent chilling.

Potency of topical steroids

potency of topical steroids

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