Children and adults Initially, you may not even notice symptoms of oral thrush. Signs and symptoms may include: 
Creamy white lesions on your tongue, inner cheeks, and sometimes on the roof of your mouth, gums and tonsils
Slightly raised lesions with a cottage cheese-like appearance
Redness, burning or soreness that may be severe enough to cause difficulty eating or swallowing
Slight bleeding if the lesions are rubbed or scraped
Cracking and redness at the corners of your mouth
A cottony feeling in your mouth
Loss of taste
Redness, irritation and pain under dentures (denture stomatitis)
 In severe cases, usually related to cancer or a weakened immune system from HIV/AIDS, the lesions may spread downward into your esophagus — the long, muscular tube stretching from the back of your mouth to your stomach (Candida esophagitis). If this occurs, you may experience difficulty swallowing and pain or feel as if food is getting stuck in your throat. Infants and breast-feeding mothers In addition to the distinctive white mouth lesions, infants may have trouble feeding or be fussy and irritable. They can pass the infection to their mothers during breast-feeding. The infection may then pass back and forth between the mother's breasts and the baby's mouth. Women whose breasts are infected with candida may experience these signs and symptoms: 
Unusually red, sensitive, cracked or itchy nipples
Shiny or flaky skin on the darker, circular area around the nipple (areola)
Unusual pain during nursing or painful nipples between feedings
Stabbing pains deep within the breast
 When to see a doctor If you or your child develops white lesions inside the mouth, see your doctor or dentist. Thrush is uncommon in healthy older children, teenagers and adults, so if thrush develops, see your doctor to determine if further evaluation is needed to check for an underlying medical condition or other cause.