diff --git a/src/appointment_management.php b/src/appointment_management.php
index de63db9..141df14 100644
--- a/src/appointment_management.php
+++ b/src/appointment_management.php
@@ -15,7 +15,7 @@ function fetchDoctor($pdo){
 function listEvents($pdo){
     $doctor = fetchDoctor($pdo);
     $events = fetchCalendarEvents($pdo, $doctor);
-    return json_encode($events);
+    return $events;
 }
 
 
@@ -35,6 +35,32 @@ function appointmentCreation(){
 }
 
 
+function appointmentModification(){
+    $data = $_POST;
+    $pdo = connectDatabase();
+    editAppointment($pdo, $data);
+    closeDatabase($pdo);
+    header('location: appointment.php');
+}
+
+
+function appointmentDeletion(){
+    $id = $_POST["id"];
+    $pdo = connectDatabase();
+    editAppointment($pdo, $id);
+    closeDatabase($pdo);
+    header('location: appointment.php');
+}
+
+
 if(isset($_POST["create"])){
     appointmentCreation();
 }
+
+if(isset($_POST["edit"])){
+    appointmentModification();
+}
+
+if(isset($_POST["delete"])){
+    appointmentDeletion();
+}
diff --git a/src/database.php b/src/database.php
index 970735d..6a3822e 100644
--- a/src/database.php
+++ b/src/database.php
@@ -407,3 +407,18 @@ function createAppointment($pdo, $data){
                                   $data["doctor"], $data["observaciones"], $data["paciente"]]);
     return "Cita creada con éxito";
 }
+
+
+function editAppointment($pdo, $data){
+    $query = "UPDATE cita SET (fecha, hora, duracion, medico, observaciones, paciente) VALUES (?,?,?,?,?,?)";
+    $pdo->prepare($query)->execute([$data["fecha"], $data["hora"], $data["duracion"],
+                                  $data["doctor"], $data["observaciones"], $data["paciente"]]);
+    return "Cita modificada con éxito";
+}
+
+
+function deleteAppointment($pdo, $id){
+    $statement = "DELETE FROM cita where id=?";
+    $pdo->prepare($statement)->execute([$id]);
+    return "Cita borrada con éxito";
+}