Which proprietary Chinese medicine is effective in removing phlegm and relieving cough?

Cough medicines are categorized into many types of proprietary Chinese medicines, and different medicines are applied to different diseases, so we can’t say which one is good, and the common medicines are cough capsules, Qingxuan cough particles and Huanglong cough particles.
1. Cough Capsules: has the effect of replenishing qi and nourishing yin, moistening the lungs and relieving cough, benefiting the stomach and generating fluids (by replenishing the fluids in the stomach to nourish the stomach), it can be used for the treatment of colds and flu and acute and chronic bronchitis caused by coughing, dry throat, coughing up phlegm, shortness of breath and other diseases. Attention to allergy to this product is prohibited, children, pregnant women, lactating women are prohibited from taking, high blood pressure, heart disease patients, the elderly and infirm people should be cautious to take.
2. Qingxuan Cough Granules: with the efficacy of clearing away wind and heat, promoting lung cough, can be used to treat children with wind-heat cough, cough, sputum, fever or nasal congestion, runny nose, a slight aversion to wind and cold. Attention to the product allergy is prohibited, diabetic patients are prohibited from taking, spleen deficiency loose stool (feces thin not shaped) people should not be taken.
3. Huanglong Cough Suppressing Granules: It has the effect of benefiting the qi and tonifying the kidneys, clearing the lungs and suppressing coughs, and can be used to treat coughs caused by deficiency of qi in the lungs and kidneys, and phlegm-heat depression of the lungs. Attention to the product allergy is prohibited, pregnant women, diabetic patients are prohibited to take, hypertension, coronary heart disease, hyperthyroidism patients should be cautious, athletes should be cautious.
If you have a cough and phlegm, please go to the hospital, do not self-medication, so as not to delay the condition.