Yes, there are many medication dosage log templates available in Microsoft Excel that you can use to track your daily medication intake. Here's how you can find and use one:

1. Open Microsoft Excel and click on "File" in the top left corner.
2. Select "New" to open the template gallery.
3. In the search bar, type "medication dosage log" or "medication tracker" and press enter.
4. Browse through the available templates and select one that suits your needs. Make sure it has at least four times daily to log dosages.
5. Once you've selected a template, click on "Create" to open it in Excel.
6. Fill in the necessary information, such as the medication name, dosage, and time of day to take it.
7. Save the template and use it to track your medication intake for one month at a time.

Alternatively, you can also create your own medication dosage log template in Excel by using the "Insert" tab to add tables, text boxes, and other elements to the worksheet. This will give you more control over the layout and design of the template, and allow you to customize it to your specific needs.