A medical device, comprising: an array of microneedles, and a coating disposed on the microneedles, wherein the coating comprises: a local anesthetic selected from the group consisting of lidocaine, prilocalne, and a combination thereof; and a local anesthetic dose-extending component selected from the group consisting of alpha 1 adrenergic agonists, alpha 2 adrenergic agonists, and a combination thereof; wherein the local anesthetic is present in an amount of at least 1 wt-% based upon total weight of solids in the coating, and wherein the dose-extending component/local anesthetic weight ratio is at least 0.0001; a medical device, comprising an array of dissolvable microneedles, the microneedles comprising: a dissolvable matrix material; at least 1 wt-% of a local anesthetic selected from the group consisting of lidocaine, prilocalne, and a combination thereof; and a local anesthetic dose-extending component selected from the group consisting of alpha 1 adrenergic agonists, alpha 2 adrenergic agonists, and a combination thereof; wherein the dose-extending component/local anesthetic weight ratio is at least 0.0001, and wherein wt-% is based upon total weight of solids in all portions of the dissolvable microneedles which contain the local anesthetic; a method of extending a topically delivered local anesthetic dose in mammalian tissue using the devices; and methods of making the devices are provided.La présente invention concerne un dispositif médical, comprenant : un réseau de micro-aiguilles, et un revêtement disposé sur les micro-aiguilles, le revêtement comprenant : un anesthésique local choisi dans le groupe constitué de la lidocaïne, la prilocaïne, et une combinaison de celles-ci ; et un composant d'extension de dose anesthésique local choisi dans le groupe constitué d'agonistes adrénergiques alpha-1, d'agonistes adrénergiques alpha-2, et une combinaison de ceux-ci ; l'anesthésique local étant présent en une quantité d'au moins 1 % en poids sur la base du poid