Many people with tongue-tie suffer the consequences without knowing the cause. There are infants who have changes in the feeding cycle, causing stress for the infant and for the mother.  There are also children with difficulties in chewing, children and adults with speech problems affecting communication, social relationships, and professional development. 

Disordered breathing may cause developmental delays, poor sleep, exhaustion, hyperactivity, learning difficulty, emotional outbursts, anxiety, depression, or difficulty with self-regulation.