Swope, ginger root is my "drug" of choice, and I copied the instructions for you. You can also check the link.
"Bring to a boil 6 cups of water. Add the sliced ginger root and 4 to 6 cinnamon sticks. Let the ‘tea’ simmer at a low boil for 20 minutes. Let cool. Remove the ginger root and cinnamon sticks.
"This recipe makes a nice pitcher-full so I always have some handy in the fridge if upset stomach acid rears it’s ugly head. Relief is only 10 – 15 minutes away."