Skip to main content
. 2010 Nov 10;2010(11):CD003940. doi: 10.1002/14651858.CD003940.pub3

Wright 2009.

Methods Single Centre study conducted at the Moretele Hospice, South Africa
Study period: 10 days
Loss to follow‐up:
  • Gentian Violet: 12 withdrawn; 1 incomplete data

  • Lemon juice: 12 withdrawn

  • Lemon Grass: 6 withdrawn; 6 incomplete data


Analysis: ITT as well as analysis of only those who completed study.
Participants Inclusion criteria: HIV+; positive diagnosis of oral thrush; currently not on any medication for oral thrush; willing to participate
Exclusion criteria: Patients who did not have thrush at the time of the study. Patiens not expected to remain alive for the study period of 10 days.
Grading and diagnosis of oral thrush according to Oral thrush scale.
90 patients enrolled and randomised.
  • Gentian violet: 30

  • Lemon juice ‐ 30

  • Lemon grass ‐ 30


Duration: 10 days.
Interventions Gentian violet: 0.5% aqueous solution
Lemon juice:20 ml lemon juice diluted with 10 ml water; 2‐3 drops 3 times per day
Lemon grass: 12.5ml dried lemon grass in 500 ml boiling water. Drink 125 ml first day and thereafter 250 ml daily
Outcomes Clinical success
Clinical failure
Adverse events reported:
  • Gentian Violet: purple discolouration, cracked lips and dry mouth

  • Lemon juice: changed taste in mouth and abdominal cramps

  • Lemon grass: increased appetite

Notes Ethics: Signed informed consent before participation.
Risk of bias
Bias Authors' judgement Support for judgement
Adequate sequence generation? Unclear risk Random allocation, but method of sequence generation not reported
Allocation concealment? Low risk Identical, sealed, opaque, sequentially numbered envelopes.
Blinding? 
 All outcomes High risk Nothing reported regarding blinding. Difficult to blind gentian violet.
Incomplete outcome data addressed? 
 All outcomes Low risk Analysis ITT as well as analysis of only those who completed study.