About This Herb*
Traditional Chinese Medicine background and properties
Herb Description*
Dogbane leaf is a cooling herb best known for its natural blood pressure-lowering properties. It calms the Liver, eases dizziness and headaches related to stress or high blood pressure, and promotes better sleep. It also has a mild water-draining effect that helps reduce puffiness and fluid retention.
Herb Category*
Main Actions*
- Calms the Liver and Subdues Yang
- Calms the Spirit
- Clears Heat
- Promotes Urination and Reduces Edema
How These Actions Work*
'Calms the Liver and subdues Yang' (平肝潜阳) means this herb settles excessive upward-rising activity of the Liver. When the Liver's Yang becomes overactive, it surges upward and causes headaches, dizziness, irritability, and a flushed face. Luo Bu Ma Ye, being cool and entering the Liver channel, gently clears Liver Heat and anchors the Yang back down. This is the herb's primary action and the main reason it is widely used for blood pressure management.
'Calms the spirit' (安神) means this herb helps settle restlessness and promote sleep. When Liver Heat or rising Liver Yang disturbs the Heart-spirit, a person may experience palpitations, anxiety, and insomnia. Luo Bu Ma Ye clears the Heat that agitates the spirit, producing a gentle calming effect. It is commonly used for people whose insomnia and anxiety stem from stress or emotional tension.
'Clears Heat' and 'Promotes urination and reduces edema' (清热利水) describe the herb's ability to drain Heat and encourage fluid passage through urination. The bitter taste directs fluids downward, and the cool temperature clears pathological Heat. This makes Luo Bu Ma Ye helpful for facial or limb swelling with scanty urine, especially in nephritis-related edema.
Patterns Addressed*
In TCM, symptoms cluster into recognizable patterns of disharmony that reveal what's out of balance in the body. Luo Bu Ma is traditionally associated with these specific patterns.
The following describes this herb's classification within Traditional Chinese Medicine theory and is provided for educational purposes only.
Why Luo Bu Ma addresses this pattern
Luo Bu Ma Ye is cool in temperature, sweet and bitter in taste, and enters the Liver channel, making it ideally suited for Liver Yang Rising. In this pattern, the Liver's Yang flares upward due to insufficient Yin anchoring it. The cool nature directly clears the Heat component that often drives Yang upward, while the bitter taste has a natural descending quality that redirects the excessive upward surge. The sweet taste gently supports without cloying. This herb's primary clinical reputation rests on this pattern, and it is the main reason Luo Bu Ma Ye is so closely associated with hypertension management in modern Chinese medicine.
A practitioner would look for one or more of these signs
Head feels heavy and distended, worsened by stress or sudden position changes
Throbbing headache at the temples or vertex, aggravated by emotional upset
Ringing in the ears accompanying dizziness
Easy frustration and emotional volatility
Elevated blood pressure with a flushed face
Why Luo Bu Ma addresses this pattern
When Liver Qi stagnation transforms into Fire, it blazes upward and disturbs both the head and the Heart-spirit. Luo Bu Ma Ye's cool nature and bitter taste are well matched to clear this Liver Fire. The bitter taste descends and purges Heat, while the cool temperature counteracts pathological warmth. By clearing Liver Fire, the herb relieves the agitation and insomnia that result from Heat harassing the spirit. It is milder than stronger Liver Fire-clearing herbs such as Long Dan Cao, making it more suitable for moderate or chronic presentations.
A practitioner would look for one or more of these signs
Difficulty falling asleep due to a restless, agitated mind
Heart pounding sensation, especially at night
Intense headache with red eyes and face
Why Luo Bu Ma addresses this pattern
Luo Bu Ma Ye's ability to promote urination and reduce edema addresses patterns where Dampness accumulates as fluid retention. Its cool nature is particularly suited to Damp-Heat presentations, where pathological Heat combines with fluid stagnation. While not the strongest diuretic herb, its dual ability to clear Heat and promote urination makes it a useful supporting herb for edema with Heat signs, such as nephritis-related swelling or liver disease-associated ascites.
A practitioner would look for one or more of these signs
Swelling of the face and limbs
Scanty, dark-coloured urine
Abdominal bloating, as in ascites
TCM Properties*
Cool
Sweet (甘 gān), Bitter (苦 kǔ)
Leaf (叶 yè)
This is partial information on the herb's TCM properties. More detailed information is available on the herb's dedicated page
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.