diff --git a/erpnext/healthcare/doctype/patient/patient.js b/erpnext/healthcare/doctype/patient/patient.js
index d0ab94c..de5bce0 100644
--- a/erpnext/healthcare/doctype/patient/patient.js
+++ b/erpnext/healthcare/doctype/patient/patient.js
@@ -120,3 +120,16 @@
 		}
 	});
 };
+
+frappe.ui.form.on('Patient Relation', {
+	patient_relation_add: function(frm){
+		frm.fields_dict['patient_relation'].grid.get_field('patient').get_query = function(frm){
+			var patient_list = [];
+			if(!frm.doc.__islocal) patient_list.push(frm.doc.name);
+			$.each(frm.doc.patient_relation, function(idx, val){
+				if (val.patient) patient_list.push(val.patient);
+			});
+			return { filters: [['Patient', 'name', 'not in', patient_list]] };
+		};
+	}
+});
\ No newline at end of file