A free program for Android, by GalleryApp.

Multi-Day Planner is an easy-to-use, multi-functional planner app with a clean and simple user interface. It allows you to organize your day in a simple and intuitive way. You can view the current day and the next seven days on the calendar.

When you tap on the Calendar button, you will be able to see the current event icons. There are various options for the event such as medication, vaccination, and so on. You can save the events in your own list and you can also add more than one event for a single day.

You can also use Multi-Day Planner as a to-do list or a daily planner.