Derm 2 Flashcards
Corticosteroid - inceases in concentration
Increases in concentration of a particular corticosteroid within a finite range in a defined vehicle enhance potency
Corticosteroid - Occlusive dressings
Occlusive dressings promote cutaneous hydration and significantly increase absorption and potency.
Corticosteroid - Occlusion can enhance
Occlusion can enhance topical corticosteroid potency by as much as 100-fold.
Corticosteroid ointment preperations
preparations generally allow better percutaneous drug absorption and are therefore more potent than creams and lotions. One exception is the super-potent topical corticosteroid (e.g.,betamethasonedipropionate) that may be packaged in “optimized” cream vehicles.
Daily use of super high potency topical corticosteroids – do not exceed
3 weeks (persistent lesions on small areas could be treated longer)
Corticosteroids - High potency and medium strengths – rarely cause cutaneous side
effects if used for less than 6 to 8 weeks; could occur with shorter courses, especially on the face and intertriginous areas
Corticosteroids - Intermittent therapy
Intermittent therapy – maintaining long-term control
Corticosteroids - Discontinue when
Discontinue when skin condition has resolved
Corticosteroids Rebound
Rebound flares – avoid by tapering topical therapy with a gradual reduction in both potency and dosing frequency at two-weeks intervals
Topical Glucocorticoids - SE
SE are rate with low potency
Topical Glucocorticoids facial
Facial, intertriginous, genital dermatoses – treat short 1 to 2 weeks intervals – most susceptible to corticoids-induced atrophy, telangiectasia, and acneiform eruption
Topical Glucocorticoids ADR
Local reactions Thinning of the skin Stretch marks Purpura Telangiectasia Hypertrichosis Atrophy
Topical Glucocorticoids - Saver than
Safer than systemic glucocorticoids
Topical Glucocorticoids - Tachy
Tachyphylasix
Topical Glucocorticoids - ADR Systemic
Systemic toxicity
More likely with higher doses and long-term therapy
Growth retardation in children
Adrenal suppression