silicic acid b binders such as for example carboxymethylcellulose alginates gelatin polyvinylpyrrolidone sucrose and acacia c humectants such as glycerol d disintegrating agents such as agar agar calcium carbonate potato or tapioca starch alginic acid certain silicates and sodium carbonate e solution retarding agents such as paraffin f absorption accelerators such as quaternary ammonium compounds g wetting agents such as for example cetyl alcohol and glycerol monostearate h absorbents such as kaolin and bentonite clay and i lubricants such as talc calcium stearate magnesium stearate solid polyethylene glycols sodium lauryl sulfate and mixtures thereof in the case of capsules tablets and pills the dosage form may also comprise buffering agents solid compositions of a similar type may also be employed as fillers in soft and hard filled gelatin capsules using such excipients as lactose or milk sugar as well as high molecular weight polyethylene glycols and the like the solid dosage forms of tablets dragees capsules pills and granules can be prepared with coatings and shells such as enteric coatings and other coatings well known in the pharmaceutical formulating art they may optionally contain opacifying agents and can also be of a composition that they release the active ingredient s only or preferentially in a certain part of the intestinal tract optionally in a delayed manner examples of embedding compositions which can be used include polymeric substances and waxes the active compounds can also be in micro encapsulated form if appropriate with one or more of the above mentioned excipients liquid dosage forms for oral administration include pharmaceutically acceptable emulsions solutions suspensions syrups and elixirs in addition to the active compounds the liquid dosage.