What are the functions and effects of Baihu Tang?
Generally, the effects and functions of Baihu Decoction include clearing heat and purging fire, promoting body fluid production to relieve thirst, clearing heat to preserve body fluids, activating blood circulation to dissipate nodules, and relieving cough while resolving phlegm. It is recommended to use it under the guidance of a physician. The analysis is as follows:

1. Clearing Heat and Purging Fire: Baihu Decoction contains gypsum and Anemarrhena rhizome (Rhizoma Anemarrhenae), which together exert the effect of clearing heat and purging fire. It can effectively treat Yangming Channel syndromes, such as irritability, sweating, and fever.
2. Promoting Body Fluid Production and Relieving Thirst: Gypsum in Baihu Decoction has the function of relieving irritability and thirst, effectively alleviating symptoms of thirst. Baihu Decoction also contains japonica rice and licorice. Japonica rice tonifies qi, strengthens the spleen, relieves irritability and thirst, and stops diarrhea and dysentery; licorice benefits the middle jiao, moistens the lungs to relieve cough, clears heat and detoxifies, alleviates spasms and pain, and harmonizes the properties of other herbs. Together, they assist gypsum in promoting body fluid production and relieving thirst.
3. Clearing Heat and Preserving Body Fluids: Baihu Decoction clears heat and generates body fluids, preventing warm pathogens from invading the yin aspect and entering the nutrient and blood levels. Clinically, it is commonly used for infectious febrile diseases, such as lobar pneumonia, epidemic type B encephalitis, and epidemic hemorrhagic fever.
4. Activating Blood and Dissipating Nodules: Ingredients in Baihu Decoction such as kudzu root (Radix Puerariae) and white peony root (Radix Paeoniae Alba) have the effect of activating blood circulation, resolving nodules, alleviating pain, reducing swelling, and relieving itching.
5. Relieving Cough and Resolving Phlegm: Baihu Decoction may also contain ingredients such as reed rhizome (Rhizoma Phragmitis) and mugwort leaf (Folium Artemisiae Argyi), which help relieve cough and resolve phlegm, cleanse the trachea and bronchi, clear damp-phlegm, and treat cough.
When using Baihu Decoction, follow medical instructions, pay attention to drug interactions and contraindications, and ensure safe and effective medication use.