Sheng Di Huang-Rehmannia Root Tuber-Radix Rehmanniae

Sheng Di Huang, known as Raw Rehmannia Root, is a key Yin-nourishing, blood-cooling, and fluid-generating herb in Traditional Chinese Medicine (TCM). It is commonly used to clear heat, cool the blood, nourish Yin, and treat dryness. Sheng Di Huang is frequently prescribed for conditions such as fever, night sweats, dry mouth, irritability, bleeding disorders, and Yin deficiency syndromes.

Functions & Benefits

Cools the Blood and Stops Bleeding
Used for heat-induced bleeding disorders, including nosebleeds, blood in the urine, vomiting blood, and excessive menstrual bleeding.

Nourishes Yin and Clears Heat
Treats Yin deficiency with heat signs, such as low-grade fever, night sweats, irritability, and dryness.

Generates Fluids and Relieves Thirst
Helps with dry mouth, extreme thirst, and fluid depletion caused by fevers or internal heat.

Detoxifies and Supports the Skin
Used for skin conditions like rashes, irritations, and inflammation due to blood heat.

Indications
Individuals experiencing low-grade fever, night sweats, or irritability from Yin deficiency
People suffering from dry mouth, excessive thirst, or dehydration-related conditions
Patients with heat-induced bleeding disorders such as nosebleeds or heavy periods
Those with skin rashes, redness, or inflammation caused by blood heat

Tongue & Pulse Diagnosis in TCM
Tongue: Red with little coating (indicating heat and Yin deficiency)
Pulse: Thin and rapid (suggesting blood heat or Yin deficiency)

Common TCM Patterns Treated by Sheng Di Huang
Blood Heat Causing Bleeding – Nosebleeds, heavy periods, blood in stool or urine
Yin Deficiency with Heat – Night sweats, irritability, dry mouth, low-grade fever
Heat Injuring Body Fluids – Thirst, dehydration, skin inflammation

Precautions & Contraindications
Not suitable for individuals with Spleen and Stomach deficiency with dampness.
Avoid in cases of loose stools or poor digestion, as it is rich and heavy in nature.
Use with caution in cold-related digestive issues.

Conclusion
Sheng Di Huang is a deeply nourishing and heat-clearing herb in TCM, valued for its ability to cool the blood, generate fluids, and treat heat-induced dryness and bleeding. Its hydrating and Yin-restoring properties make it essential for fever, night sweats, excessive thirst, and blood heat conditions.