Is treatment with corticosteroids beneficial and safe for people with pneumonia?

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Is treatment with corticosteroids beneficial and safe for people with pneumonia?

Stern A, Skalsky K, Avni T, Carrara E, Leibovici L, Paul M

Review question

We looked at the effects of treating people with pneumonia using corticosteroids (also called steroids or glucocorticoids) on numbers of deaths, response to treatment, treatment complications, and side effects. We compared treatment with corticosteroids in addition to antibiotics with placebo or no treatment.


Acute pneumonia is a lung infection treated with antibiotics that target the bacteria that caused the infection. Pneumonia is quite common, and despite adequate antibiotic treatment, complications and sometimes death can occur.

Corticosteroids are hormones produced naturally in the adrenal gland. Corticosteroids have been found to be beneficial in the treatment of some infections. However, their beneficial effects are often offset by serious side effects, mainly when used at high doses and over the long term. This is an update of a review published in 2011.

Search date

The evidence is current to 3 March 2017.

Study characteristics

We included 17 studies evaluating systemic corticosteroid therapy (given intravenously or by tablets) for people with pneumonia (2264 participants; 1954 adults and 310 children). We included 12 new studies in this update and excluded one previously included study. All included studies evaluated people who had acquired pneumonia in the community (community-acquired pneumonia (CAP)) being treated in the hospital; no studies assessed people who had developed pneumonia while in hospital or who were on breathing machines (mechanically ventilated).

Study funding sources

Eight trials did not report funding sources; seven were funded by academic sponsors; one was funded by a pharmaceutical company; and one reported receiving no funding.

Key results

Corticosteroids reduced deaths in adults with severe CAP, but not in people with non-severe CAP. Eighteen adults with severe CAP need to be treated with corticosteroids to prevent one death.

People with CAP treated with corticosteroids had lower clinical failure rates (death, worsening of imaging studies, or no clinical improvement), shorter time to cure, a shorter hospital stay, and fewer complications. We found good-quality evidence that corticosteroids reduced clinical failure rates in children with pneumonia, but the data were based on a small number of children with different types of pneumonia.

People treated with corticosteroids had higher blood glucose levels (hyperglycaemia) than those not treated with corticosteroids. Corticosteroid treatment was not associated with increased rates of other serious adverse events.

Corticosteroids were beneficial for adults with severe CAP. People with non-severe CAP may also benefit from corticosteroid therapy, but with no survival advantage.

Quality of the evidence

We downgraded the quality of the evidence due to issues with study design, unclear results, or results that were not similar across studies. For the outcomes of death and clinical failure in adults, we graded the quality of the evidence as moderate. For the outcomes of clinical failure in people with severe CAP, non-severe CAP, and in children, we graded the quality of the evidence as high.

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