Fast dissolving drug delivery systems such as mouth dissolving films (MDF) are novel dosage forms that disintegrate or dissolve within the oral cavity. These offer a convenient way of dosing medications, not only to special population groups with swallowing difficulties such as children & the elderly, but also to the general population.Mouth dissolving film (MDFs) is the latest oral solid dosage form because of its easy to use properties. When mouth dissolving films are placed in mouth, it disintegrates & dissolves within a minute without consuming water or chewing. This dosage form has added advantage as it allows the medication to bypass the first pass metabolism, so bioavailability of medication may be enhanced. Mouth dissolving film has capability to enhance onset of action, lower the dosing eliminate the fear of chocking