Background: Pathological use of digital technology is a chronic phenomenon associated with serious bio-psychosocial health hazards of secondary school students with an uncontrollable desire to use the technology. Aim: to assess health hazards related to the pathological use of digital technology among secondary school students in Egypt. Design: A descriptive-correlation design Results: showed that, secondary school students were exposed to various health hazards such as uncomfortable bad body mechanics (94.3%), low concentration (91.3 %), general body weakness (92%), vision impairment (68%) hearing (67.4%), and there is a significant relation between levels of education and pathological use of digital technology.Conclusions: Secondary school students had various health hazards related to the pathological use of technology.  Recommendation: The study recommended applying frequent educational sessions about the safe use of digital technology.