126HYDROGELS: RECENT TRENDS IN PHARMACEUTICAL FORMULATIONGels are semisolid systems in which a liquid phase is constrained with in a three dimensional polymeric matrix consisting of natural or synthetic gums and can be used in drug delivery system. This review article is focused on classification, preparation and pharmaceutical application of hydrogelstjamespharmacyproject@gmail.comReview622016Hydrogel,AntimicrobialJinu Mariya,K. Krishnakumar,Rejin Jose,Dineshkumar B,Anoop Narayanan VDepartment of Pharmaceutics, St James College of Pharmaceutical Sciences, Chalakudy, Thrissur, Kerala, India,Department of Pharmaceutics, St James College of Pharmaceutical Sciences, Chalakudy, Thrissur, Kerala, India,Department of Pharmaceutics, St James College of Pharmaceutical Sciences, Chalakudy, Thrissur, Kerala, India,Department of Pharmaceutics, St James College of Pharmaceutical Sciences, Chalakudy, Thrissur, Kerala, India,St James Hospital Trust Pharmaceutical Research Centre (DSIR Certified), Chalakudy, Thrissur, Kerala, India.