---
title: "Tu Si Zi"
url: "https://books.drcassone.com/21/traditional-medicines-of-east-asia/606/tu-si-zi"
---

 ![tu si zi, cuscutae semen.jpg](/u/tu-si-zi-cuscutae-semen-Cr6jwU.jpg) 

# Tu Si Zi

### Cuscutae Semen

_acrid, sweet, neutral_

#### PRIMARY FUNCTION:

_**Tonify Yang**_

CLASSICAL MANIFESTATIONS:
- Erectile dysfunction
- Nocturnal emissions
- Low back pain
- Tinnitus
- Frequent urination
- Blurred vision
- Loss of appetite
- Diarrhea
- Threatened miscarriage
- Eye floaters
- Vaginal discharge

Tu Si Zi tonifies the yang. It is acrid, sweet, and neutral. It enters
the liver and kidney systems. Tu Si Zi improve sex hormone
production from the adrenal glands and gonads to treat erectile
dysfunction, excess vaginal discharge, frequent urination, and
nocturnal emissions due to deficiency.
Its acrid quality acts on the liver to move the blood and improve
its quality which helps patients with blurred vision. The warm
quality has a tonifying effect on the spleen which reduces
deficiency pattern diarrhea.

Tu Si Zi is unique in that it tonifies both the yin and the yang and
is not cloying. Because it is neutral it can be applied safely to many
deficiency patterns.

**Channels:** liver, kidney

COMMON APPLICATIONS AND CLINICAL
POSSIBILITIES:
- Premature aging
- Antimicrobial
- Hypotensive
- Supports immune function
- Diarrhea
- Leukorrhea
- Tinnitus
- Arthritis
- Vertigo
- Dizziness
- Enuresis
- Urinary dribbling
- Urinary incontinence
- Alopecia
- Splenomegaly

**Formulas:**
- An Tai Yin
- Bao Chan Wu You Fang
- Bu Shen Gu Chong Wan
- Ding Jing Tang
- Fu Tu Dan
- Qi Bao Mei Ran Dan
- Shou Tai Wan
- Tu Si Zi Wan
- You Gui Wan
- Zuo Gui Wan

**Contraindications:** do not prescribe Tu Si Zi to patients that
have deficiency fire that may present with dark urine and dry
constipation

**Zoo Image:** conjoined grizzly bears wearing glasses are in the hospital giving
fluids, there are bottles of urine, diarrhea, and essence, the cloy switch is off,
there is a restless baby next door

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