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Vitamin D and tuberculosis: hope or hype?

Anna P Ralph and Robyn M Lucas
Med J Aust 2013; 199 (10): 648-649. || doi: 10.5694/mja13.11174
Published online: 18 November 2013

It may be worthwhile to test for and treat vitamin D deficiency in latent infection, but not in active TB

In this issue of the Journal, MacLachlan and Cowie advocate increased testing of vitamin D (serum 25-hydroxyvitamin D [25-OHD]) for people with risk factors for vitamin D deficiency and tuberculosis (TB).1 This pertinent suggestion is based on the assumption that vitamin D deficiency is a risk factor for progression from latent to active TB, and that correction of deficiency could reduce this risk (the demonstration by MacLachlan and colleagues2 of TB seasonality in Australia is consistent with this hypothesis). The proposal presents a timely opportunity to scrutinise evidence of an association between vitamin D deficiency and TB, temper the high hopes that vitamin D might be an important adjunctive treatment for active TB, and remind clinicians about problems with testing and interpreting 25-OHD levels.

  • Anna P Ralph1
  • Robyn M Lucas2

  • 1 Global and Tropical Health, Menzies School of Health Research, Darwin, NT.
  • 2 National Centre for Epidemiology and Population Health, Australian National University, Canberra, ACT.

Correspondence: anna.ralph@menzies.edu.au

Acknowledgements: 

Anna Ralph is supported by National Health and Medical Research Council Grant 605806 and Fellowship 1016567. Robyn Lucas is supported by a National Health and Medical Research Council Career Development Fellowship.

Competing interests:

No relevant disclosures.

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