• M E Ernst, J A Santee, and T B Klepser.
• Division of Clinical and Administrative Pharmacy, College of Pharmacy, University of Iowa, Iowa City, IA 52242, USA. michael-ernst@uiowa.edu
• Ann Pharmacother. 1998 Oct 1; 32 (10): 1099-103.

AbstractIt is apparent from published studies that corticosteroids do not prevent the development of postherpetic neuralgia. Earlier trials that indicated some benefit in both acute neuralgia and the prevention of postherpetic neuralgia are of limited use to clinicians due to problems with uncontrolled study designs, small sample sizes, and the absence of statistical analysis of the results. The lack of a consensus definition of postherpetic neuralgia, the variable agents and dosages used, and the different pain scales reported are of concern when trying to interpret the results of these studies for their clinical significance. In more recent larger and well-designed studies, similar rates of postherpetic neuralgia were observed in the corticosteroid and control groups. As a result of these findings, corticosteroids should not be recommended for the prevention of postherpetic neuralgia. Despite lack of efficacy in preventing postherpetic neuralgia, limited studies suggest corticosteroids such as prednisone (40-60 mg/d tapered over 3 wk) are well tolerated and may confer slightly significant benefits in reducing the duration of acute neuralgia and improving quality-of-life measures. However, the clinical significance and application of these findings remain to be addressed. If corticosteroids are used for acute neuralgia, clinicians are advised to select their patients carefully. The patients treated in these studies were generally healthy and free of comorbid diseases, such as hypertension, diabetes mellitus, and psychiatric disorders, which can be exacerbated in the presence of corticosteroids. Although dissemination of herpes zoster has been reported infrequently, it remains a potential risk with use of corticosteroids. Until the results of these studies are repeated in more diverse patient populations, corticosteroids appear to have a limited role in the management of acute neuralgia associated with herpes zoster.

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