Untitled

Abstract

Now a day's world health organisation encourage, recommends and promotes traditional, herbal remedies in health care science, because these drugs are easily available at low cost and are safe but herbal medicines are not a simple task since many factor influence biological efficacy and reproducible therapeutic effect. These day's colonic diseases are commonly seen and needs lifelong medical attention. Because of safety, herbal medicines can play vital role in the treatment of colonic diseases. Various natural therapies, available for the treatment of colonic diseases like ulcerative colitis, Intestinal bowel syndrome, colon cancer, etc. It is possible to improve the effect of these herbal medicines by targeting to the colon. This article review a detailed study about various pharmaceutical approaches used for colon targeting such as tablet, capsules, microparticles, micro-sponges, lyposomes, etc. with herbal drugs and their effects. Effects of different process and formulation parameters on colon targeted drug delivery system are also discussed in following article.