Oh oh...
Try cutting back a bit on the Tylenol, just enough to still give you some relief.
There's some very soothing herbal teas also. Check at your health food store. Strawberry leave tea is always good for settling stomachs.
Water may help too (it's good for about anything that ails ya), and you'll have something in your tummy if you......well, you know....
Boullion might work also.
You could also give our nurse a call at:
1-877-820-8363 (Toll Free) 5am-2pm PST Monday - Friday
If it persists, better check with your doctor.
All the best,
Unca