1.0MedLabshttps://www.medlabsgroup.com/armladminhttps://www.medlabsgroup.com/ar/author/mladmin/rich600338<blockquote class="wp-embedded-content" data-secret="PYFetm4N0r"><a href="https://www.medlabsgroup.com/ar/lab-testing/occult-blood-faeces/">الدم الخفي ,براز</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.medlabsgroup.com/ar/lab-testing/occult-blood-faeces/embed/#?secret=PYFetm4N0r" width="600" height="338" title="“Occult Blood, Faeces” — MedLabs" data-secret="PYFetm4N0r" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.medlabsgroup.com/wp-includes/js/wp-embed.min.js </script>Fecal occult blood is a term for blood present in the faeces that is not visibly apparent. Occult blood may originate anywhere from gingiva to the rectum. Some drugs like salicylates, aspirin, steroids, indomethacin, rauwolfia derivatives, colchicine and iron therapy are also associated with gastrointestinal bleeding.