Four-substance Decoction
(si wu tang, 四物湯 )

Source: Formulary of the Taiping Welfare Dispensary Bureau《太平惠民和劑局方》

dang gui

angelica root

Radix Angelicae Sinensis


chuan xiong

Sichuan lovage

Rhizoma Ligustici Chuanxiong


bai shao

white peony root

Radix Paeoniae Alba


shu di

processed rhemannia rhizome

Rhizoma Rehmanniae Praeparatae


Indications: Panic, dizziness, blurred vision, ear ringing, paleness of the lips and nails, scanty menses or missed periods in women accompanied with lower abdominal pain, a pale tongue, and the pulse is taut and fine. With appropriate modifications, modern TCM uses the formula in conditions like primary dysmenorrheal, irregular menstruation, anemia, weakness after delivery, urticaria and headaches.