Generally, Huanglian Shangqing Tablets and Vitamin C Yin Qiao Tablets can be taken together if the condition requires, but it is recommended to choose one to take. 1. Huanglian Shangqing Tablet contains Huanglian, gardenia, forsythia, Angelica dahurica, Scutellaria baicalensis, mint and other ingredients, which has the effect of dispersing wind, relieving pain, clearing heat and laxative, and can be used for the treatment of dizziness and distension of brain, sore throat and so on caused by the internal heat of the upper burner. Its adverse reactions are not clear, pregnant women should not take, and those with cold spleen and stomach are prohibited. 2. Vicodin contains honeysuckle, forsythia, peppermint, burdock and other ingredients, has the role of clearing heat and detoxification, opening the role, mostly used for external wind-heat caused by influenza symptoms. Adverse reactions such as sleepiness, drowsiness, thirst, rash and urticaria can be seen when taking this product. It is prohibited for people with severe liver and kidney insufficiency. There is no adverse conflict between the two, can be taken together, but the two main ingredients and effects are basically the same, belong to the duplication of drugs, you can choose one to take, drink more warm water during the medication, pay attention to a light diet and prevent cold and keep warm. If you have symptoms, we recommend that you consult a doctor in time, do not self-medication, so as not to cause adverse effects on the body.