The Efficacy, Functions, and Contraindications of Tianma (Gastrodia Elata)

The main functions and benefits of Gastrodia (Tianma) include:

1. Calming the liver and extinguishing wind: Gastrodia can subdue liver wind and is effective in treating symptoms such as headache and dizziness caused by hyperactivity of liver yang.

2. Activating blood circulation and promoting meridian flow: It enhances blood circulation and alleviates various pains and discomforts caused by blood stasis.

3. Dispelling wind and relieving pain: Gastrodia also effectively relieves symptoms such as joint pain and swelling caused by rheumatism.

4. Calming and soothing the nerves: Gastrodia has a calming effect on the nervous system, helping to alleviate anxiety, tension, and insomnia.

5. Enhancing immunity: Modern research indicates that components in Gastrodia can stimulate the production of immune substances and improve the body's immune function.

Contraindications of Gastrodia:

1. Use with caution in pregnant women: Due to its blood-activating and stasis-resolving effects, Gastrodia should be avoided during pregnancy to prevent adverse reactions.

2. Use with caution in individuals with weak constitution: Gastrodia has a slightly cooling nature and should be used cautiously by individuals with cold constitution or weak spleen and stomach function to avoid exacerbating cold-related symptoms.

3. Individuals with allergic constitutions: Some people may be allergic to components of Gastrodia. An allergy test should be conducted before use, and administration should be discontinued immediately if any allergic reaction occurs.