My 1year 1month son has sores in the mouth(whitish),does not eat.got antibiotics (amocyllin) & multivitamins from the gp bit his not getting better.its 5days now,what could be the cause?

Thrush/candida: The lesions in your sons mouth sound very much like they are candida or thrush. This is a yeast overgrowth in the mouth that usually occurs after using antibiotics. This is usually treated very effectively with nystatin liquid . When children or anyone is given antibiotics, the good bacteria as well as bad bacteria are destroyed, As a result yeast will over grow and present as white patches in the