Can patients with urticaria take Heishunpian (Black顺片)?
Whether patients with urticaria can take Heishunpian (Radix Aconiti Praeparata) needs to be determined according to the individual condition of the patient. If the patient has a cold body constitution or belongs to the cold-wind type of urticaria, it can usually be taken under the guidance of a doctor. However, if the patient has a hot body constitution or is diagnosed with heat-wind type urticaria, it is generally not recommended. Detailed analysis is as follows:

If the patient's body constitution tends toward cold and the TCM (Traditional Chinese Medicine) diagnosis identifies the condition as cold-wind type urticaria, Heishunpian—which has effects of restoring yang, rescuing from collapse, replenishing fire, boosting yang, and relieving cold-induced pain—may be included as part of a herbal formula together with other medicinal materials for treatment to alleviate symptoms.
However, because Heishunpian is strongly warming in nature, its use in patients with a hot constitution or heat-wind type urticaria may worsen the condition. Moreover, urticaria itself is a form of allergic reaction. If the patient is allergic to Heishunpian or any of its components, it should not be used. It is recommended that patients with urticaria consult a qualified TCM practitioner or dermatologist before considering the use of any traditional Chinese medicine to ensure safety and effectiveness.
During treatment, patients with urticaria should also maintain healthy lifestyle and dietary habits to enhance immunity and promote recovery.