I have a Maggie, too!.. and she has head tremors... scared me to death.. they lasted up to 15 minutes.
Here is what I did...
Changed her feeding schedule to...
breakfast - 1 scrambled egg, 1/4 bananna, 1/4 orange
snack (around lunchtime) - bananna
dinner - 2 cups kibble, 1 dollop yogurt, and a...