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Dry the strips if you have time. Start a fire Gather some water from a nearby water source. Add the willow bark strips to boiling water and simmer.
If you are not in immediate need of the medicine, you should allow the strips to dry out a bit before using them. Lay them on a rock or other dry place in the sun for several hours. If you need the medicine right away, you can skip the drying step. . The best way to make willow bark tea is to boil the bark in water. To do that, you will need to make a fire. Boiling the water that you will be using for your tea is also the best way to disinfect and purify the water. You will also need a container to boil the water in, ideally made of metal. If you do not have a container, then you will need to search the area for something made from metal, glass, or clay that you can use to boil water. Collect about 3 cups of water and purify it by adding chlorine or ozone. If you don’t have these purifiers, make a fire and boil the water for at least 10 minutes before using.  If you can’t start a fire, let the willow bark soak in the water for at least an hour.  Keep in mind that even though wilderness water can be purer in many ways than other water, it does contain various parasites.  Boiling water or using a purifier is the best approach to protect yourself from these parasites. If you are in an area where giardia (a parasite found in water) is present, or may be present, make certain you follow the correct purification procedure. Giardia can cause severe gastrointestinal symptoms that may cause abdominal pain and may also cause you to become severely dehydrated. After the water has started to boil, add the strips of willow bark to the water.  Use about one tablespoon of willow bark per cup of water.  Allow the willow bark to simmer for five to 10 minutes and then remove it from the fire.