My friend has a 3 years old (just turned 3), which is used diapers during the day but still wears a diaper at night. It has a yeast diaper rash infection that is resistant to drugs. His mother also feed your yogurt and acidophilus. Nothing works. He suggested removing leavened foods from your diet for a while ‘and change the type of pañales.Cualquier tips to help would be appreciated.

My friend has 3 years of age (just turned 3) is to wear diapers during the day but still wears diapers at night. Has a diaper rash yeast infection that is resistant to prescription drugs. Her mother fed her yogurt and yogurt. Nothing works. He suggested eliminating foods with yeast from their diet for a while 'and marks Diapering.
Any suggestions to help would be appreciated.