Microemulsions : As Novel Drug Delivery Vehicle

The design and development of new drug delivery systems with the intention of enhancing the efficacy of existing drugs is an ongoing process in pharmaceutical research. It is necessary for a pharmaceutical solution to contain a therapeutic dose of the drug in a volume convenient for administration.-1Dispersions of oil and water are commonly employed in the pharmaceutical industry. These dispersions can be classified in three major categories: 2 1. Microemulsions 2. Micellar Solutions 3. Conventional Emulsions (or) Macroemulsions