Internet addiction is a pervasive and complex issue that has gained increasing attention in the digital age. This comprehensive review provides an in-depth exploration of clinical interventions and modalities for managing internet addiction. It begins by examining the diagnostic criteria and assessment tools used to identify internet addiction, highlighting the diverse subtypes and varying degrees of severity. Subsequently, the review delves into various clinical interventions, including psychotherapeutic approaches like cognitive behavioral therapy (CBT), dialectical behavior therapy (DBT), and mindfulness-based interventions. Pharmacological interventions, technology-based tools, and integrative approaches are also thoroughly analyzed. The review also outlines various treatment settings and modalities such as inpatient treatment centers, outpatient clinics, telehealth, support groups, and prevention programs for schools and communities. Furthermore, it discusses the efficacy and challenges associated with managing internet addiction, emphasizing the need for effective interventions, relapse prevention, ethical considerations, and addressing stigma and access barriers. In conclusion, the review offers practical implications for clinical practice. It emphasizes future research's importance in refining diagnostic criteria, exploring emerging technologies, and adapting interventions to an ever-evolving digital landscape. This comprehensive review is a valuable resource for clinicians, researchers, and policymakers seeking to understand and address the complexities of internet addiction.