Please note to get bandages for hud please Contact Alagos Lotus Head Physician or Strada Moonflare Senior Physician.
What you will do here Is click on the Hud. The hud looks like this look below.
You will get menu and will have to click inventory. You can see the menu Below.
In this step you will have your inventory come out from the hud. Click on a Bandage.
In this step you will get a menu of actions you can do with the bandage. You will want to click use.
Now the menu will Change giving you list of the items again select bandage.
this is not really a step you and the target cant move or it'll stop you'll see the following form the meter.