High blood pressure can not be long-term drink rooibos, because the product is toxic, long-term or overdose can lead to poisoning. Lobelia is a Chinese medicine, for the oleander family Lobelia genus plant Lobelia leaves, taste sweet, slightly bitter, cool nature. It has the effects of calming liver yang, clearing heat and diuretic, and tranquilizing the mind. This product is mainly used for hyperactivity of liver yang (liver yang bias, causing dizziness, dizziness, headache and other symptoms) and liver fire caused by dizziness, dizziness, irritability and insomnia, convulsions of eclampsia, edema, urinary incontinence (urine is not smooth) and there is a fever, blood fever and vomiting, epistaxis, traumatic hemorrhage, wind-heat and external infections and other diseases. Overdose of Rhizoma Pinelliae can be seen intestinal ringing, diarrhea, stomach pain, poor appetite (poor appetite), fatigue, nausea, diarrhea, bradycardia and other adverse reactions. Note that the person who is allergic to this product is prohibited, allergic persons should be cautious, spleen deficiency and slow startle people need to be used with caution. This product should not be taken in excess or for a long period of time to avoid poisoning. If you need to take this medicine, you need a traditional Chinese medicine practitioner to carry out identification and standardize the use under the guidance of the doctor, and you can not blindly take the medicine on your own.