Julia is a 21 year old female who is 28 weeks pregnant and is requesting some tablets to treat vaginal thrush. She has had thrush several times before and is confident she is having a further episode. She informs you that she has had three days of thick cottage cheese-like vaginal discharge and pruritis. She denies any vaginal bleeding, leakage of clear fluid or abdominal pain. Foetal movements are normal.
What is the most suitable treatment?