230PREVALENCE AND PATTERN OF SELF-MEDICATION AMONG MEDICAL STUDENTS OF A TERTIARY CARE GOVERNMENT INSTITUTE IN JAIPUR, RAJASTHANBackground: Self-medication practice is very common in every part of the world including in India. It is widely prevalent in medical students due to easy access to drugs. Present study was designed to determine the Prevalence and Pattern of self-medication among medical students of R.U.H.S. College of Medical Sciences at Jaipur, Rajasthan. Materials & methods: A prospective, observational, questionnaire-based study had been conducted among 370 undergraduate medical students of all batches from first year to final year. A brief description of the nature of the study and the procedure of completing the questionnaire was explain to students. Questionnaire was self-developed and pre validated consisting of fourteen questions. Questionnaires was distributed among the participants after taking informed consent. Results: The prevalence of self -medication was 100%. Out of 370 MBBS students, 234 (63.24%) students take self-medication sometimes. The most common reason for preferring self-medication included simple disease (63.78%) followed by Prior experience of disease (59.72%).The most common illnesses prompting self-medication included Fever (78.37%) and headache (76.21%). Pharmacy (84.32 %) was the most common source of information. Regarding previous knowledge about the Expiry date of medicine, Dose and duration, Side effects, Importance of completing course of medicine, Drug interactions and OTC drugs, 81.08%, 61.35%, 47.56%, 34.86%, 27.56%, 16.48% students were noted respectively. Conclusions: Self-medication is highly prevalent amongst undergraduate medical students even without adequate knowledge and consequences. Continuous counselling activities with proper information through inclusion of this topic to academic course are the need of the hour to halt this malpractice.punm.jakhar@gmail.comResearch1112021Non-prescription Drugs,Medical students,Medical knowledge,Prevalence,Questionnaire,Self-MedicationPunam Jakhar,Rajesh Chaudhary,Aman SharmaAssistant Professor & Head, Department of Pharmacology, RUHS College of Medical Sciences, Jaipur, Rajasthan, India,Assistant Consultant, Department of Neurology, CK Birla Hospital Jaipur, Rajasthan, India,M Sc Student, Department of Pharmacology, RUHS College of Medical Sciences, Jaipur, Rajasthan, India.