Ideal suppository bases:

1 physically and chemically stable 2 nonirritating 3 non-toxic 4 nonsensitizing 5 compatible with variety of drugs 6 stable during storage 7 esthetically acceptable 8 It should contract slightly on cooling or release itself from 9 the mold with requiring mold lubricants 10 has wetting and emulsifying properties 11 high water number 12 can be manufactured by molding by hand, machine, 13 compression or extrusion 14 It should melt or dissolve in rectal fluids and should not bind