Are dermatologic blood poisoning pills effective in treating psoriasis?

When the identification of psoriasis belongs to the syndrome of blood deficiency and wind dryness or the syndrome of dampness and toxicity accumulation, it can be treated with Dermatosis Blood Toxin Pill, but the efficacy is not exact. Other evidence should not be applied.
Dermatosis Blood Toxicity Pill is a kind of common Chinese patent medicine in clinic, which is made up of thorns, cicadas, peach kernel, red peony, angelica, cimicifuga, leucocephala root and so on, and it has the efficacy of clearing the blood and detoxifying the toxin, subduing the swelling and relieving the itchiness.
Clinically, this drug is used in the treatment of meridian disharmony, dampness, heat and blood dryness caused by rubella, eczema, skin itching, freckles and acne, red face and nose, sores and swollen poisons, foot and scabies, dizziness, stool dryness and so on. Adverse effects of this drug is not clear, pregnant women should not take, menstruation or breastfeeding should be taken with caution.
When psoriasis is identified as blood deficiency, wind and dryness, the manifestation is that the rash is patchy, reddish in color, scales are reduced, dry and cracked, itchy, dry mouth and throat. Treatment should nourish blood and nourish yin, moisturize the skin and rest the wind.
When psoriasis is recognized as dampness and toxicity accumulation evidence, it manifests as erythematous eruption with oozing, sticky and thick scabs, and intense itching; or manifests as palm and plantar erythema, pustules, and peeling of skin; or accompanied by joint pain and swelling, and heaviness of the lower limbs. Treatment should be clearing dampness and heat, detoxification and circulation.
Although these two symptoms can be treated with Dermatosis Blood Toxin Pill, the therapeutic effect is not exact. It is recommended that patients with psoriasis consult a regular hospital in a timely manner, under the guidance of a professional Chinese medicine practitioner’s identification of the correct use of medication, do not take on their own in order to avoid causing damage to the organism.