A: I woke up with the worse stomachache.
B: Did you try going to the bathroom?
A: I went to the bathroom, but that didn't make the pain go away.
B: Did you eat anything strange last night? Maybe you have food poisoning.
A: No. Because then I would be vomiting.
B: Where exactly is the pain?
A: It hurts here on my right side.
B: That's where it hurt when I had to get my appendix taken out.
A: It's probably just gas.
B: Did you take any medication?
A: I took an antacid an hour ago.
B: It should have worked by now. This could be serious.