Diabetes or diabetes-prone, high blood pressure, varicose veins, phlebitis, multiple sclerosis, epilepsy, porphyria, hands and feet used with caution in patients with convulsions and small chorea.

• 糖尿病或糖尿病倾向、高血压、静脉曲张、静脉炎、多发性硬化症、癫痫、卟啉病、手足抽搐及小舞蹈病患者慎用。