This product is the whole herb of the annual herbaceous plant common dayflower herb (Commelina communis L.) of the Commelinaceae family. It is distributed throughout the country. It is harvested in summer and autumn, washed and used fresh or dried and cut into sections for use.

bubble_chart Properties and Meridians

Sweet and bitter, cold. Act on lung, stomach and bladder meridians.

bubble_chart Efficacy

Clearing heat and removing toxin, unblock water and dispersing edema.

bubble_chart Indications

1. is used for warm disease fever. This product can clear and purge fire, and has a strong antipyretic effect. It is used at the onset of warm disease when the pathogen is in the defense aspect, and can be combined with Lonicera, Forsythia, Mentha, and other medicinal combinations. If there is a pattern of heat invading the qi aspect, with high fever and irritability with thirst, it can be used with Gypsum, Anemarrhena, Reed Rhizome, and others.
2. It is used for pharyngitis, sore and ulcer. This product can clear heat and remove toxins. For mumps pharyngitis, with swollen and sore throat, it can be combined with Isatis Root, Scrophularia Root, and others. For sore and ulcer with swelling and toxicity, it can be combined with Tokyo Violet Herb, wild chrysanthemum flower, and other medicinal combinations.
3. It is used for edema, wind edema, and heat stranguria with astringent pain. This product has the effects of unblocking water and dispersing edema, clearing heat, and relieving stranguria. For difficulty in urination, edema with heat and an exterior pattern, it is often combined with Spirodela, Forsythia, lalang grass rhizome, and others. For bladder dampness-heat, with painful and astringent urination, it can also be combined with Plantain Herb, Lophatherum Herb, Akebia Stem, and other heat-clearing and diuretic herbs.

bubble_chart Documentation

1. Bencao Shiyi: "Treats cold, heat miasmic malaria, phlegm-fluid retention, abscesses, slight stagnation and astringency, infantile erysipelas, feverish mania and pain, abdominal stuffiness and fullness, body and facial edema, heat dysentery, snake and dog bites, Yongju and other toxins."
2. Rihuazi Bencao: "Boil common dayflower herb with Rice Bean to relieve water retention and fixed arthralgia, and promote urination."
3. Bencao Pinhui Jingyao: "Removes heat toxin and dissipates Yongju."

bubble_chart Usage and Dosage

Decoction: 15-30g. Fresh herb: 30-60g. For external use, apply an appropriate amount.

bubble_chart Cautions and Contraindications

For those with spleen-stomach weakness, the dosage should be reduced.

bubble_chart Modern Pharmacology

The metatarsus of Huahan duck contains flavonoids. The decoction has inhibitory effects on Staphylococcus aureus and other bacteria in vitro, and exhibits significant antipyretic effects.