The two clowns, i.e. black clown and white clown, are aliases of petunia seeds, which are mainly used for treating edema and swelling with the effect of diarrhea and water expulsion.
Petunia is a traditional Chinese medicine, which has the efficacy of laxative and water-removing, removing accumulation and killing worms, eliminating phlegm and washing away drinks, and is mainly used for the treatment of oedema, swelling, phlegm and drink (pathological products formed by impaired metabolism of water), wheezing and coughing and abdominal pain of worms and accumulations of worms. However, it is contraindicated for pregnant women and those with weak stomachs and weak qi, and should not be used in conjunction with croton and croton cream.
In addition, petunia seeds can also be used with sedum, cumin, Drabanemerosa hebecarpa, peach kernel and other traditional Chinese medicines, all of which have better therapeutic effects.
It is recommended that patients take petunia seeds under the guidance of traditional Chinese medicine practitioners, and according to their own situation, relevant combinations.