No. The term "dyslexia" has become a catch-all term for any kind of reading trouble. If you look at the National Institutes of Health manual of all diagnosable diseases, dyslexia is described as a significant gap between your potential and your performance in reading. Dyslexia can only be diagnosed by a full psycho-educational evaluation. Sometimes the "label" for the problem is less important than the symptoms. If your child is having trouble with reading, find out what his specific strengths and weakness are and help him develop his relatively weak areas. Dyslexia or not, he will need to improve his weaknesses in reading.