Antiviral Granules and Lianhua Qingdian Capsule can be taken together, and their combined use can enhance the efficacy of heat-cleansing and detoxification (removing heat, toxins and evil qi from the body). However, there are a variety of identical drugs in the two proprietary Chinese medicines, and taking them together may lead to overdose and adverse reactions. Antiviral Granules, composed of Panlangen, Forsythia, Gypsum, Zhimu and Rehmannia. It has the efficacy of clearing heat and dampness, cooling the blood and detoxifying the toxin (referring to the treatment of blood-heat and toxicity). It is used for wind-heat cold, upper respiratory tract infection, influenza. Lianhua Qingdian Capsule, composed of Forsythia, Honeysuckle and Roasted Ephedra. It has the efficacy of clearing plague and detoxification, promoting the lung and draining heat. It is used for the treatment of influenza, which belongs to the evidence of heat and toxicity attacking the lungs, with fever or high fever, malignant cold (fear of cold), muscle aches and pains, nasal congestion and runny nose, cough, headache, dry pharynx and sore throat, with a reddish tongue, and yellowish or greasy moss, etc. The two together can enhance the effect of clearing the heat and detoxifying the lungs. Although the combination of the two can enhance the therapeutic effect of clearing heat and removing toxins, antiviral granules and Lianhua Qingdian capsule both contain Banlangen, forsythia, gypsum and patchouli, which may lead to overdose of these medicines and produce adverse reactions when taken together. Therefore, it is recommended to take under the guidance of a doctor, do not blindly take both.