Is there a difference between blood vine and chickweed?

Blood vine is big blood vine, big blood vine and chicken blood vine are two kinds of drugs, the difference mainly lies in the different medicinal properties, efficacy, therapeutic scope.
Dahuateng is the dried vine stem of Dahuateng, a plant in the family of Moutonaceae, with a bitter taste and flat nature, which belongs to the large intestine and liver meridian. This medicine has the effect of clearing away heat and detoxification, activating blood circulation, dispelling wind and relieving pain, and can be used in the treatment of carbuncle (carbuncle occurring in the bowels of the intestines and internal organs, manifested by fever, pain in the right abdomen, and palpable lump), abdominal pain, feverish sores and ulcers, menstrual cramps, amenorrhea, bruises and pains, and rheumatism paralysis and pains, and so on. Pregnant women should be taken with caution.
Chickweed vine is the dried vine stem of leguminous plants, taste bitter, sweet, warm, attributed to the liver, kidney meridian. The drug has the effect of activating blood and tonifying blood, regulating menstruation, relieving pain, and relaxing tendons and collaterals, and is used in the treatment of irregular menstruation, dysmenorrhea, menstrual closure, rheumatism paralysis, numbness and paralysis, and yellowish complexion caused by blood deficiency.
Dahuateng and Chicken Blood Vine are two kinds of medicines with similar effects, but Dahuateng is bitter and flat, which can clear away heat and detoxification, and is used for feverish sores and ulcers; Chicken Blood Vine is bitter, sweet and warm, which can tonify the blood and regulate menstruation, and can be used for menstrual disorders, and yellowish complexion caused by blood deficiency.
The two are two different kinds of Chinese herbs, and should be combined with their own situation under the guidance of a doctor to dialectically use medication.