Sidu (TE9)
Sidu (TE9), “Four Rivers”, is a point on the San Jiao (Triple Burner) meridian. It is point 9 of the 23 on the channel. Frees the channel and benefits the ear and throat.
Location
On the posterior aspect of the forearm, at the midpoint of the interosseous space, 7 cun above the dorsal wrist crease.
Functions according to tradition
Frees the channel and benefits the ear and throat.
Traditional indications
- Sudden deafness
- Toothache
- Sore throat
- Forearm pain
Indications described by tradition; they do not amount to proven clinical effectiveness for each one.
Precautions
No specific precautions are described beyond the general ones for acupuncture. Needling must always be performed by a trained professional.
Points on other channels with similar indications
They share several traditional indications with this point. Comparing them helps understand why one or the other is chosen.
- LI1 Shangyang (Large Intestine): Sore throat, Toothache
- LI2 Erjian (Large Intestine): Sore throat, Toothache
- LI3 Sanjian (Large Intestine): Sore throat, Toothache
- LI5 Yangxi (Large Intestine): Sore throat, Toothache
- SI16 Tianchuang (Small Intestine): Sore throat
- SI17 Tianrong (Small Intestine): Sore throat
Point profile
- Code
- TE9
- Pinyin name
- Sì Dú
- Characters
- 四渎
- Translation
- Four Rivers
- Meridian
- San Jiao (Triple Burner)
- Element
- Fire
- Topics
- Ear, Throat, Arm
Health notice. Educational and study content. It describes concepts of Traditional Chinese Medicine and does not replace diagnosis or treatment by a healthcare professional. Needling, medicinal herbs and invasive techniques must be applied by trained professionals. Safety guide.
