Self-medication which is a form of irrational use of drugs is fast becoming a global issue, and affecting individuals worldwide. This study explores the impact of online information in Influencing self-medication practices among young adults in Nigeria. The research addresses several key questions such as what are the likely solutions that can improve existing regulations and enforcement, why do individuals self-medicate and what are the implications for the health care sector, pharmaceutical industries and patient safety? A mono method approach was used for the purpose of this research involving a quantitative survey distributed to a total of 170 adults, aged 18-40 years and above.The study assesses consumer perceptions, self-medication practices, primary sources of health information found online, types of medications used and consumer awareness on risks associated with selfmedication. The survey results indicate that approximately 43.5% of participants engages in self-medication based on online information, with social media platforms, health blogs, and google as the highest search engine used. The research study also showed that participants often find online information more accessible but express concerns about the credibility and accuracy of the sources. Additionally, convenience, a perception that the condition is not serious and cost saving are prominent factors influencing their decision to self-medicate. Based on this findings, the study suggest a pressing need for public health initiatives aimed at improving digital health literacy and implementation of robust regulatory frameworks to ensure that online health Information is accurate. Strengthening the collaboration between healthcare professionals and digital health platforms could also enhance the quality and reliability of online health information available to young adults in Nigeria.