10 May 2019 Oral candidiasis, or thrush, is an infection caused by a fungus called Candida albicans that is common in the human body. It occurs in 2% to 5% of infants by transmission from the mother during delivery. It takes the form of white patches: On the baby's inner cheeks On the tongue On the lips. It can cause pain and irritation or may be asymptomatic . Treatment Oral candidiasis is treated locally with anti-fungal products between meals. Objects that come into contact with the baby's mouth must also be disinfected: Teats, pacifiers, etc The mother's nipples if the newborn is breastfed. This article was written with the support of physicians and other clinical professionals from the Hospital da Luz network. The content published in the Health Guide is intended for the general public and is provided for informational and educational purposes only. It does not replace individual medical assessment, diagnosis, or personalized clinical advice from a qualified healthcare professional. The content is produced or reviewed by physicians and other healthcare professionals at Hospital da Luz and is based on the knowledge available at the time of publication or the most recent update, as indicated at the beginning of each item.