MRSA - I&D Only or Add Antibiotics?

Written by Clay Smith

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This meta-analysis of 4 RCTs found anti-MRSA antibiotics in addition to I&D led to a far better cure rate than I&D alone.

Why does this matter?
In the past, the literature has gone back and forth about whether or not antibiotics are helpful for abscesses.  Is I&D enough?  However, more recent studies have shown that both small and large abscesses appear to benefit from giving antibiotics.  This meta-analysis pooled several studies to get a consensus.

Yup, give antibiotics
This was a systematic review and meta-analysis of 4 RCTs, mostly using TMP/SMX, with 2406 patients and found the treatment failure rate was 7.7% with antibiotics, 16.1% without.  Adverse effects from antibiotics were largely minor (rash, GI upset) and not much worse than placebo, 24.8% with antibiotics, 22.1% without.  Fewer patients developed new lesions when given antibiotics.  The consensus is in - give anti-MRSA antibiotics for abscesses in addition to I&D.

Source
Systemic Antibiotics for the Treatment of Skin and Soft Tissue Abscesses: A Systematic Review and Meta-Analysis.  Ann Emerg Med. 2018 Mar 9. pii: S0196-0644(18)30142-2. doi: 10.1016/j.annemergmed.2018.02.011. [Epub ahead of print]

Peer reviewed by Thomas Davis.

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