| abstract |
A system comprising at least one inhaler is provided. Each of the at least one inhaler includes a usage determining system configured to determine at least one value of a usage parameter relating to use of the respective inhaler by the subject. The system further includes a user interface and a processing module. The user interface is configured to enable user input of an indication of a condition of a respiratory disease that the subject is experiencing. The processing module is configured to control the user interface to issue a prompt for inputting an indication based on the at least one value. |