What are the functions and effects of Selaginella tamariscina?
Selaginella tamariscina is the whole herb of the plant species Selaginella tamariscina from the Selaginellaceae family. It commonly possesses functions and effects such as clearing heat and removing dampness, relieving asthma and cough, stopping bleeding and dissipating blood stasis, reducing inflammation and fever, treating indigestion (in children), and diarrhea. A detailed analysis is as follows:

1. Clearing Heat and Removing Dampness: Selaginella tamariscina effectively alleviates symptoms such as jaundice, edema, and oliguria caused by internal accumulation of heat and dampness. It helps the body expel excess water and dampness, regulates fluid balance within the body, and thereby improves related symptoms.
2. Relieving Asthma and Cough: Selaginella tamariscina can alleviate symptoms such as asthma and cough by helping to dilate the bronchi, reduce secretion production in the respiratory tract, improve respiratory function, and relieve coughing and wheezing.
3. Stopping Bleeding and Dissipating Blood Stasis: Selaginella tamariscina can also be used to treat various bleeding conditions, such as epistaxis, menorrhagia, and traumatic bleeding. It promotes blood coagulation, reduces bleeding, dissipates blood stasis, and accelerates wound healing.
4. Reducing Inflammation and Fever: Selaginella tamariscina helps alleviate symptoms of inflammation such as fever, redness, and swelling by inhibiting inflammatory responses, reducing the release of inflammatory mediators, lowering body temperature, and relieving inflammatory symptoms.
5. Treating Indigestion (in Children) and Diarrhea: Selaginella tamariscina can also be used to treat symptoms such as infantile malnutrition (indigestion) and diarrhea. It helps regulate spleen and stomach functions, promotes digestion and absorption, and improves symptoms of malnutrition and diarrhea.
When using Selaginella tamariscina, the duration and method of decoction should follow medical advice to ensure the full exertion of its medicinal effects.