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Mustard in a glass bowl on a wooden counter.

Homemade Mustard Plaster

This old historical mustard plaster recipe was commonly used to treat chest congestion from the common cold, bronchitis, or pneumonia. The medical community considered it frontline medicine and used it well into the 1900s.
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Prep Time: 3 minutes
Cook Time: 20 minutes
Total Time: 23 minutes
Servings: 1 dose
Author: Carolyn Thomas

Ingredients

  • cup flour
  • cup mustard powder
  • warm water

Instructions

  • Mix flour and mustard powder in a mixing bowl.
  • Add a small amount of water to the dry ingredients and mix them together.
  • Continue adding water until you reach a pancake batter consistency.
  • Place a 100% cotton kitchen towel on your countertop and pour the mixture onto the towel.
  • Fold the towel in from all sides to cover the mustard mixture.
  • Wrap the mustard plaster towel with a separate cloth.
  • Cover the area of the chest you want to treat with a liberal amount of olive oil.
  • Place the mustard plaster onto the chest.
  • Place a heat source such as a rice pad on top of the mustard plaster.
  • Leave on the body and let the mustard plaster work for no more than 20 minutes. Caution: Check underneath the plaster every two minutes to check the level of redness and remove it if there is potential for blistering.

Notes

  • Generally safe to use for kids aged six and up.
  • Do a patch test on a small area first to check for possible sensitivity or contact allergy.
  • If stinging occurs, immediately wash the plaster off with warm water (not hot or cold, but warm) and soap.
  • Be sure to check underneath the plaster every two minutes to check the level of redness and remove it if there is potential blistering.
  • To add a layer of protection between the mustard plaster and the skin, liberally spread a lotion or oil (olive oil or similar) on the skin before placing the plaster on the body.
  • Moms, don’t forget to treat yourself right along with your kids if you aren’t feeling well! The earlier you start this treatment, the better results you will have.
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