(HealthDay News) -- Thrush is a yeast infection that forms in the mouth and on the tongue.
The U.S. National Library of Medicine says the following factors can increase your risk of developing thrush:
- Using steroid medicines.
- Having HIV/AIDS.
- Undergoing chemotherapy for cancer.
- Taking medications that suppress your immune system.
- Having a weakened immune system, which often occurs among infants and the elderly.
- Being in poor health.