The Health Sciences Authority (HSA) has warned members of the public against consuming a Chinese herbal product after discovering that it contains a strong steroid.In a press release on Wednesday (May 20), the authority said that an elderly woman developed Cushing's syndrome after consuming Huang Niu Mu Zhong Feng Qing Cao Yao, which was found to contain dexamethasone, a potent steroid.Cushing's syndrome, a hormonal disorder caused by caused by prolonged exposure to high levels of the stress hormone cortisol, can be triggered by high doses of steroid medications.According to HSA, the woman, in her 70s, had obtained the herbal product through a relative who got it from a friend in Malaysia. The woman had been taking the product for two months to treat her joint pain and was observed with symptoms of Cushing's syndrome during a routine health check, including a rounded «moon face» appearance and abnormal fat accumulation above her collarbone, said HSA. Read more