Multilayer dissolvable film suitable for oral administration, as well as method of use thereof and method of manufacturing thereof. The dissolvable film contains multiple (e.g., two or more) layers, configured such that the active ingredient(s) can be present in a total amount of at least about 30 wt. % (e.g., at least about 250 mg). The dissolvable film is mucoadhesive and capable of dissolving within about 60 seconds when placed in the oral cavity.
