Lianhua Qingdian generally refers to Lianhua Qingdian capsule, should not be taken if you are allergic to this product and its ingredients. Lianhua Qingdian capsule belongs to the Chinese patent medicine, mainly consists of forsythia, honeysuckle, baked ephedra and other ingredients, if allergic to the product and its ingredients, you can not take, belong to the Lianhua Qingdian capsule of contraindications. At the same time, high blood pressure, heart disease patients should be used with caution, children, pregnant women and lactating women should be taken under medical supervision. Lianhua Qingdian capsule has the effect of clearing the plague and detoxification (clearing the plague and heat), promoting the lungs and draining heat, and can be used for the treatment of influenza as the heat and poison attacking the lungs. The adverse effects of the drug include nausea, vomiting, abdominal pain, diarrhea, etc. It should be noted that, during the use of the drug should not be taken at the same time tonic Chinese medicine. If you want to take Lianhua Qingdian capsule, it is best to use under the guidance of a doctor, should not be unauthorized use of drugs, so as not to cause serious consequences.