diff --git a/interface/patient_file/summary/stats_full.php b/interface/patient_file/summary/stats_full.php
index 57b7224ce..ad4cf4204 100644
--- a/interface/patient_file/summary/stats_full.php
+++ b/interface/patient_file/summary/stats_full.php
@@ -282,11 +282,21 @@ function newEncounter() {
     $click_class='statrow';
     if($row['erx_source']==1 && $focustype=='allergy') $click_class='';
     elseif($row['erx_uploaded']==1 && $focustype=='medication') $click_class='';
-
+    
     echo " <tr class='$bgclass detail' $colorstyle>\n";
     echo "  <td style='text-align:left' data-text='$disptitle' class='$click_class' id='$rowid'>" . text($disptitle) . "</td>\n";
-    echo "  <td>" . text(date(DateFormatRead(true), strtotime($row['begdate']))) . "&nbsp;</td>\n";
-    echo "  <td>" . text(date(DateFormatRead(true), strtotime($row['enddate']))) . "&nbsp;</td>\n";
+
+    if (!is_null($row['begdate'])){
+      echo "  <td>" . text(date(DateFormatRead(true), strtotime($row['begdate']))) . "&nbsp;</td>\n";
+    } else {
+      echo "  <td></td>\n";
+    }
+    if (!is_null($row['enddate'])){
+      echo "  <td>" . text(date(DateFormatRead(true), strtotime($row['enddate']))) . "&nbsp;</td>\n";
+    } else {
+      echo "  <td></td>\n";
+    }
+  
     // both codetext and statusCompute have already been escaped above with htmlspecialchars)
     echo "  <td>" . $codetext . "</td>\n";
     echo "  <td>" . $statusCompute . "&nbsp;</td>\n";