diff --git a/frontend-js/src/main/js/gui/leftPanel/DrugPanel.js b/frontend-js/src/main/js/gui/leftPanel/DrugPanel.js
index 35bb1ed00af18945b5ea8e11d0fddc5ea1a5e585..7a75adeedbf84d352cf0e8e6ce6d8b6131c31338 100644
--- a/frontend-js/src/main/js/gui/leftPanel/DrugPanel.js
+++ b/frontend-js/src/main/js/gui/leftPanel/DrugPanel.js
@@ -10,6 +10,9 @@ var PanelControlElementType = require('../PanelControlElementType');
 
 function DrugPanel(params) {
   params.panelName = "drug";
+  params.helpTip = '<p>source: <a target="_drugbank" href="http://www.drugbank.ca/">DrugBank</a> and'
+      + '<a target="_drugbank" href="https://www.ebi.ac.uk/chembl/">ChEMBL</a></p>'
+      + "<p>use of drug names, synonyms and brand names is supported<p>separate multiple search by semicolon</p>";
   AbstractDbPanel.call(this, params);
 }
 DrugPanel.prototype = Object.create(AbstractDbPanel.prototype);