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Oral nystatin prophylaxis and neonatal fungal infections
A Howell1, D Isaacs, R Halliday
1Department of Infectious Diseases, Children's Hospital at Westmead, Locked Bag 4001, Westmead, NSW, 2145, Australia.
Insights
Antifungal prophylaxis with oral nystatin significantly reduced invasive fungal infections in premature infants. This study found lower infection rates in neonatal units using nystatin compared to those not using it.
Area of Science:
- Neonatal Medicine
- Infectious Diseases
- Pharmacology
Background:
- Neonatal fungal infections pose a risk, influencing the need for antifungal prophylaxis.
- The incidence of these infections is a key factor in determining the value of prophylactic treatments.
Purpose of the Study:
- To compare the incidence of fungal infections in neonatal units with and without oral nystatin prophylaxis.
- To evaluate the effectiveness of antifungal prophylaxis in preventing neonatal fungal infections.
Main Methods:
- A prospective, multi-centre surveillance study was conducted from 1993 to 2006.
- Invasive fungal infections were monitored in infants weighing less than 1500 grams birth weight in Australian and New Zealand neonatal units.
- Infections were defined by positive blood or cerebrospinal fluid cultures.
Main Results:
- The overall incidence of invasive fungal infection was 0.80% in infants <1500 g.
- Units using oral nystatin prophylaxis had a significantly lower incidence (0.54%) compared to units with no prophylaxis (1.23%) (p<0.001).
- For infants <1000 g, nystatin prophylaxis was associated with a lower incidence (1.23%) versus no prophylaxis (2.67%) (p<0.001).
Conclusions:
- Neonatal fungal infection incidence was low in Australia and New Zealand.
- Oral nystatin prophylaxis was linked to a statistically significant reduction in fungal infection rates compared to no prophylaxis.
Background:
The value of antifungal prophylaxis depends partly on the incidence of neonatal fungal infection. We compared the incidence of fungal infection in babies in neonatal units which do and do not give antifungal prophylaxis using oral nystatin.
Methods:
Prospective, multi-centre surveillance study from 1993 to 2006 of invasive fungal infection, defined as positive blood or cerebrospinal fluid culture, in babies <1500 g birth weight in neonatal units in Australia and New Zealand.
Results:
There were 118 episodes of invasive fungal infection in 14 778 babies <1500 g, an incidence of 0.80% (95% confidence interval (CI) 0.66 to 0.94%). All infections were due to Candida species, mostly C. albicans (74, 62.7%) and C. parapsilosis (39, 33.1%). The mortality was 16.5%. The incidence was 0.54% (0.38 to 0.70%) for babies <1500 g in units using selective or universal oral nystatin prophylaxis and 1.23% (0.84 to 1.62%) in units using no prophylaxis (p<0.001). The incidence of infection in babies <1000 g was 1.78% (106/5948) (95% CI 1.44 to 2.12%). The incidence was 1.23% (0.92 to 1.54%) for babies <1000 g in units using nystatin prophylaxis and 2.67% (1.97 to 3.37%) in units using no prophylaxis (p<0.001).
Conclusions:
The incidence of neonatal fungal infection was low in Australia and New Zealand, even without antifungal prophylaxis. Antifungal prophylaxis with oral nystatin was associated with a significantly lower incidence of fungal infection compared with no prophylaxis.
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