 [ Symptoms ] my son is unable to express himself saw orthophonist and ear nose and throat ent otolaryngology doctor to no avail [ Disease ] your child has a developmental expressive language disorder deld he might have difficulty remembering vocabulary words or using complex sentences deld is usually limited to expression and does not affect your child is ability to read listen or produce sounds unless your child also has other learning disabilities language therapy counseling are the main treatment lines  a neurologist also should be consulted