There are.
Banlangen is a traditional Chinese medicine, but there is still a certain toxicity, long-term use will inevitably cause damage to the body, banlangen can not prevent and control all colds or infectious respiratory diseases, and healthy people taking too much banlangen will hurt the spleen and stomach. So it's not recommended to drink it again after you've recovered from a cold.
Blue root can also produce various adverse reactions if it is not taken for a long time or abused excessively. Because of the bitter cold class of medicine, long-term use is easy to bitter cold hurt stomach, a series of gastrointestinal reaction, in the clinical appear more such as stomach pain, nausea, vomiting, diarrhea and other symptoms. In addition to taking the board of directors can not arbitrarily increase the dose, to follow the doctor's advice or according to the instructions on the usage and dosage to take, pediatric dosage should be based on the condition of the reduced amount.
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Extended information: Note: 1, avoid tobacco, alcohol, spicy, fishy food. 2, if the body is on the cold side, such as easy diarrhea, fear of cold, it is not suitable to drink more Banlangen punch, it is best not to exceed 3 days. Because of its bitter cold stomach, will bring a series of gastrointestinal reactions, such as stomach pain, loss of appetite. 3, especially children, the function of the spleen and stomach is not yet sound, and more serving of the blue root, more likely to cause indigestion and other symptoms. Those who are allergic to the bluegrass root should avoid using it.? 4, children, pregnant women, lactating women, the elderly and frail, spleen and loose stools should be taken under the guidance of a physician. 5, tonsils with suppuration or fever body temperature over 38.5 ℃ users should go to the doctor. /baike.baidu.com/item/%E6%9D%BF%E8%93%9D%E6%A0%B9/16010326 "target="_blank "title="Baidu Encyclopedia - Banlangen">Baidu Encyclopedia - Banlangen /baike.baidu. com/item/%E5%89%AF%E4%BD%9C%E7%94%A8/998311 "target="_blank "title="Baidu Wikipedia-Side Effects">Baidu Wikipedia-Side Effects