Chinese Herbs. Siwu Tang | Si Wu Tang | Four Substances Decoction | SiwuTang | Siwu Decoction | Si Wu Decoction for nourishing and invigorating the blood, regulating menstruation, and relieving pain, for menstrual irregularities, dysmenorrhea and anemia.

四物汤  (made by Beijing Tongrentang)

Siwu Tang (Four Substances Decoction) is a classic traditional Chinese medicine formula. Here are the details:

Ingredients:

• Danggui (Angelica sinensis)
• Chuanxiong (Ligusticum chuanxiong)
• Baishao (White Peony Root)
• Shudihuang (Prepared Rehmannia Root)

Functions and Indications: This formula is primarily used for nourishing and invigorating the blood, regulating menstruation, and relieving pain. It is commonly prescribed for conditions such as menstrual irregularities, dysmenorrhea (painful menstruation), and anemia. It is also used to treat symptoms like dizziness, palpitations, and a pale complexion due to blood deficiency¹².

Dosage and Administration: Typically taken as a decoction. The standard dosage involves boiling the ingredients in water and drinking the resulting liquid.

Precautions:

1. Avoid raw, cold, and greasy foods while taking this formula.
2. Maintain a calm and positive mood.
3. Not suitable for individuals with spleen and stomach deficiency cold.
4. Patients with severe chronic diseases such as hypertension, heart disease, liver disease, diabetes, and kidney disease should use this under the guidance of a physician.
5. Children, pregnant women, breastfeeding women, the elderly, and the weak should use this under the guidance of a physician.
6. If symptoms do not improve after three days of use, consult a hospital.
7. Do not use if allergic to this product. Use with caution if you have an allergic constitution.
8. Do not use if the product’s appearance changes.
9. Children must use this under adult supervision.
10. Keep this product out of reach of children.
11. If you are using other medications, consult a physician or pharmacist before using this product.

Storage: Keep sealed and store in a cool, dry place.

Packaging: Typically available in various forms such as pills, granules, or decoctions.

Shelf Life: Generally, 36 months.