A Multicenter Randomized Controlled Pilot Trial Testing the Efficacy and Safety of Pterygopalatine Fossa Puncture Using One Acupuncture Needle for Moderate-to-Severe Persistent Allergic Rhinitis

Table 1

Verum acupuncture points and techniques for moderate-to-severe persistent allergic rhinitis.

Acupoint	Direction	Depth (mm)
Main
Yingxiang (LI20), both	Transversely along the nasolabial sulcus and toward the root of the nose	10–15
Yintang (GV29)	Transversely and downward toward the nose	10–15
Fengchi (GB20)	Obliquely toward the tip of the nose	13–20
Fengfu (GB16)	Perpendicular to the skin	13–20
Zusanli (ST36)	Perpendicular to the skin between the tibia and the fibula	20–30
Adjunct
Shangxing (GV23)	Transversely toward the calvarium	8–13
Hegu (LI4)	Perpendicular to the skin	13–25
Kouheliao (LI19)	Obliquely toward the tip of the nose	5–8
Feishu (BL13)	Obliquely toward the spine	13–20
Pishu (BL20)	Obliquely toward the spine	13–20
Shenshu (BL23)	Perpendicular to the skin	15–25
Sanyinjiao (SP36)	Perpendicular to the skin	13–25