The present invention is related to solid pharmaceutical preparations containing diatomaceous earth (diatomite) or a natural mineral mixture containing diatomaceous earth as filler besides the active ingredient and optional other auxiliary agents. A further object of the invention is a method for manufacturing such pharmaceutical preparations.本發明係關於固體醫藥製劑,除活性成份之外,其亦含有矽藻土(diatomaceous earth;diatomite)或含有矽藻土之天然礦物混合物作為填充劑及視情況存在之其他助劑。本發明之另一目標為用於製造該類醫藥製劑的方法。