This is general health information only and is not a substitute for advice from your GP or healthcare professional.
1. What are topical corticosteroids?
Topical corticosteroids are medicines applied directly to the skin to reduce inflammation, redness, itching, and swelling. They are commonly used to treat conditions such as eczema, dermatitis, psoriasis, and other inflammatory skin conditions. Their potency ranges from mild to very potent.
2. What is a mild topical corticosteroid?
Mild topical corticosteroids are generally suitable for sensitive areas such as the face and skin folds, or for mild inflammatory skin conditions. In Australia, Dermaid (hydrocortisone) is an example of a mild topical corticosteroid. Mild corticosteroids generally have a lower risk of skin thinning when used appropriately.
3. What are moderate-potency topical corticosteroids?
Moderate-potency corticosteroids provide stronger anti-inflammatory effects than mild corticosteroids and are commonly used for more significant inflammation on areas such as the trunk and limbs. Examples include Betnovate 0.02%, Betnovate 0.05%, and Advantan 0.1% (methylprednisolone aceponate), depending on the specific formulation and Australian potency classification.
4. What are potent topical corticosteroids?
Potent corticosteroids are stronger preparations used for more severe inflammatory skin conditions or areas where moderate corticosteroids have not been effective. Examples include Diprosone 0.05% (betamethasone dipropionate), Betnovate 0.05%, Betnovate 0.1%, and Elocon (mometasone furoate), with the exact potency depending on the formulation.
5. What are very potent or ultrapotent topical corticosteroids?
Very potent or ultrapotent corticosteroids are among the strongest topical corticosteroids and are generally reserved for severe or resistant inflammatory skin conditions and short treatment courses. Dermovate (clobetasol propionate 0.05%) is an example of a very potent topical corticosteroid.
6. Why is corticosteroid potency important?
The potency determines how strongly the medicine suppresses inflammation and influences where and how long it can be safely used. Stronger corticosteroids can be very effective but have a greater risk of adverse effects, particularly when used for prolonged periods, on large areas, or on thin skin.
7. Can stronger corticosteroids be used on the face?
Very potent corticosteroids should generally not be used on the face unless specifically directed by a doctor. The facial skin is thin and more susceptible to adverse effects such as skin thinning, visible blood vessels, and steroid-induced dermatitis. Mild corticosteroids are generally preferred when a topical steroid is appropriate for facial skin.
8. How long should topical corticosteroids be used?
The duration depends on the potency, condition, body site, age, and severity of the inflammation. Stronger corticosteroids are generally used for shorter periods, while milder corticosteroids may sometimes be used for longer periods under medical guidance. The aim is to control the inflammation effectively while minimising unnecessary exposure.
9. What side effects can topical corticosteroids cause?
Prolonged or inappropriate use can cause skin thinning, stretch marks, easy bruising, visible small blood vessels, changes in pigmentation, and worsening or masking of skin infections. Very potent corticosteroids used extensively or for prolonged periods can rarely be absorbed sufficiently to cause systemic corticosteroid effects.
10. How should I choose the right corticosteroid potency?
The appropriate potency depends on the diagnosis, severity of inflammation, body site, patient’s age, and duration of treatment. A stronger steroid is not necessarily better; the usual principle is to use the lowest potency that adequately controls the condition, while stronger preparations may be appropriate for severe disease or thicker areas of skin under medical supervision.