What are the contraindications to drinking chickweed

Chickweed vine is the dried vine stem of the plant Mifanzu, drinking chickweed vine has no clear contraindications in the current clinical use, Yin deficiency and hyperthermia should be used with caution.
Chicken blood vine is warm, bitter and sweet, and belongs to the liver and kidney meridian. Chicken blood vine has the efficacy of relaxing the tendons, tonifying blood and activating blood, regulating menstruation and relieving pain. Patients with evidence of menorrhagia, dysmenorrhea, irregular menstruation, rheumatic paralysis, limb paralysis, numbness of limbs, blood deficiency and atrophy can take Chicken Blood Vine.
The adverse reactions, contraindications and precautions of this product are not clear. It should be used with caution for those with Yin deficiency and hyperactivity of fire.
This product is harvested in the fall and winter seasons of each year, sliced and dried in the sun, and stored in a ventilated and dry place; related proprietary Chinese medicines, such as Compound Purple Ginseng Punch and Milk Fetish Elimination Capsule.
The above medicines should be treated under the guidance of physician’s diagnosis, and should not be used by oneself to avoid causing adverse consequences.