No doubt that's not a usual component, just the result of a sour stomach.

"Dish, you sound like you've got a sour stomach," Augustus said.

Even with the Power in her, the possibilities were enough to give her a sour stomach.

She'd put them down to gas and a sour stomach; her digestion wasn't all it might have been.

"A bad case of sour stomach and ten years scared off my life."

After reading one book of medicine, I wouldn't have trusted myself to treat a sour stomach.

She was a sour stomach and several other complaints rolled into one.

Much as I hate to ruin such a nice meal with a sour stomach.

"I seldom have the pleasure of a good wine anymore - sour stomach comes with age, they say."

He returned to the land of the living with a sour stomach and a slight headache, but it could have been a lot worse.