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Cortisone cream for acne8/28/2023 ![]() ![]() ![]() The number of fingertip units needed varies with the area of skin requiring treatment (Table 2 and Figure 2). Use one quarter to one third of the adult amount. One fingertip unit is equivalent to approximately 0.5 g for a male and 0.4 g for a female. * for single daily application for an adult for two weeks Table 2: Number of fingertip units per body part 5 Body part Squeezed onto the top third of the finger (see Figure 1). Conversely, the patient may be underusing topical corticosteroids because of perceived lack of efficacy, orįear of adverse effects – generous intermittent applications of potent products should be encouraged e.g., “weekendĪ fingertip unit is a guide to how much corticosteroid to apply to a particular area and describes the amount of product – they may be using excessive potency or frequency or quantities where a milder preparation or an emollient would be more atopic dermatitis, to monitor use of topical corticosteroids Regularly review patients with chronic skin conditions e.g. ![]() Respond to topical corticosteroids should be treated generously, aiming to get control promptly. An acute or severe condition that is likely to Underuse of topical corticosteroids is much more common than overuse. Table 1: Conditions that may respond to topical corticosteroids 2 1 They containĪlcohol and have a drying effect on exudative lesions, but may sting on application. Lotions have a thin consistency, making them easier to apply to hairy areas such as the scalp. Creams contain more preservativesĪnd excipients than ointments and so are more likely to cause hypersensitivity or irritation. 1,4 They are suitable for moist or weeping lesions. 2Ĭreams are often preferred by patients especially for use on exposed areas such as the face because they vanish when This is because the occlusive nature of an ointmentĮnhances absorption of the corticosteroid. for any given strength ofĬorticosteroid, an ointment formulation will be more potent than a cream. The potency of a corticosteroid can be affected by its formulation e.g. They are particularly suitable for use on dry, thick Ointments are greasy and remain on the skin after they are applied. Patient preference is important to consider because it can affect compliance. If occlusion is prolonged, because of increased absorption.Ĭhoice of formulation depends on a number of factors, including the type of skin lesion to be treated and its location. 2 Corticosteroid related adverse effects are also more likely, especially ![]() 3 Irritation, folliculitis and infectionĪre more likely to occur under occlusion. This needs to be considered when selecting corticosteroid potency. Occlusion increases the absorption of topical corticosteroids by increasing the hydration of the skin and thereforeĮnhancing penetration. They should generally not be used under occlusion or on areas of Such as the palms of the hands and soles of the feet. More potent corticosteroids are suitable for severe conditions and for use on areas of the body that have thicker skin More suitable for use on children or areas of thinner skin such as the face, groin or axilla. Low potency corticosteroids are typically used when treating large areas or for longer term application. In general use topical corticosteroids at the lowest potency possible to control the condition. ![]()
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