Is it harmful to take a bath with a decoction of fritillary?

Feiyangcao decoction bath is currently in clinical application, there is no relevant information to prove harmful, the drug should be applied under the guidance of a doctor according to the condition.
Feiyangcao is a traditional Chinese medicine, alias Da Feiyang, for the Euphorbiaceae plant Feiyangcao’s dried whole grass, its nature is cool, taste pungent, sour, with a small poison. Attributed to the lung, bladder, large intestine meridian. Feiyangcao has the effects of clearing heat and removing toxins, inducing dampness and relieving itching, as well as promoting lactation.
If patients have postpartum breast milk, lung carbuncle, breast carbuncle (breast redness, swelling and pain, poor milk discharge, and ultimately the formation of suppurative disease), ringworm, diarrhea, heat drenching (burning and tingling during urination, accompanied by urinary frequency and urgency, traction discomfort in the abdomen), hematuria, furuncle, tooth chancre, dysentery, itchy skin, eczema and other symptoms, can be used Feiyangcao.
Adverse reactions, contraindications of Feiyangcao is not clear, note that pregnant women should be cautious.
Feiyangcao decoction bath is the use of its diaphoretic effect, used for eczema, itchy skin and other evidence, there is no relevant information to prove harmful, should be used under the guidance of a physician.
Feiyangcao in the use of drugs during the period of any uncomfortable reaction, to stop the drug in time, and go to the hospital for medical attention.