The present invention is a method to accelerate the coagulation of blood through the application of inorganic materials to the wound of a patient on anticoagulant or platelet blocker therapy. The method comprises contacting such wounds with a substance selected from the group consisting of zeolitic molecular sieves and non-zeolitic molecular sieves, diatomaceous earth, glass powder or fibers, precipitated or fumed silica, kaolin and montmorillonite clays and Ca exchanged permutites.