How to use drugs stock

In drugs you can set intake and stock. When you use the stock, the app shows, how long your stock will last. This is based on a daily calculaction.

When the stock is running out, a message is shown at the star screen. 

The app makes a difference between empty stock and the stock set to zero. A empty stock will not tracked. To surpress the message about empty stock, simply set the stock to emtpy. App version 6.2.2 and higher has an icon near the message, to do this with one click.