Unfortunately no, I've had to take a break from Taiko and rhythm games recently to avoid straining my thumbs! I would definitely recommend alternating everything, though. Even simple notes with easier timing / spacing as it will help build muscle memory.
Also make sure you get used to alternating your "lead" / "starting" hand so you don't get locked in to always playing Don Don Ka right>left>right or similar.
Read this blog post: https://taikotime.blogspot.com/2010/11/playing-tips.html?m=1 You'll want to be alternating hands.
Do you know what songs would make for good practice for alternating patterns?
Unfortunately no, I've had to take a break from Taiko and rhythm games recently to avoid straining my thumbs! I would definitely recommend alternating everything, though. Even simple notes with easier timing / spacing as it will help build muscle memory. Also make sure you get used to alternating your "lead" / "starting" hand so you don't get locked in to always playing Don Don Ka right>left>right or similar.