Cough without phlegm or less phlegm is called dry cough, which is common in the early stage of acute pharyngitis and acute tracheitis. Dry cough in spring and autumn is caused by lung belonging to water in five internal organs, and it is most susceptible to fire. The fire is strong and the lungs are dry, so it will cause dry cough. At this time, you should not be busy taking anti-inflammatory drugs, but drink some fresh Qinyan tea, which is mainly composed of Chinese herbal medicines such as Siraitia grosvenorii, Houttuynia cordata, cassia seed, olive, honeysuckle, platycodon grandiflorum, orange peel, etc., to recuperate the problem of long-term cough.

In addition, you should also pay attention to rest, keep warm, avoid smoking and avoid irritating food. The following are several dietotherapy methods specially recommended to treat dry cough:

1. A Polygonatum crystal sugar for relieving cough and asthma

Polygonatum sibiricum (Chinese herbal medicine) 30g, rock sugar 50g.

Wash Polygonatum sibiricum, soak it in cold water, put it in a casserole, and then add rock sugar and appropriate amount of water. Put the pot on the stove, fry it with strong fire, and then simmer it with slow fire until Polygonatum is cooked. Eat Polygonatum sibiricum and drink soup twice a day.

Clearing lung, regulating spleen and benefiting essence. It can be used for treating cough due to lung dryness and lung deficiency, dry cough without phlegm, adverse vomiting, anorexia, xerostomia, kidney deficiency and essence deficiency.

2. Dry cough, night sweats, bird's nest and tremella

Bird's nest10g, tremella fuciformis15g, and appropriate amount of rock sugar.

Measure the bird's nest with clean water first, then soak it in hot water for 3-4 hours, then remove the plush and soak it in hot water 1 hour. Put bird's nest, tremella and crystal sugar into a porcelain jar or bowl and stew them in water.

Tonify deficiency, nourish lung yin, relieve deficiency-heat and treat dry cough, night sweat or deficiency of lung yin.

3. Bird's Nest Ginseng Chicken Soup Benefiting Lung and Cough

5 grams of bird's nest and 5 grams of American ginseng. First, soak the bird's nest in clear water, remove feathers and sundries, wash it, dry the water, put it in a candle cup with American ginseng, fill it with 80% boiling water, cover it and stew it for more than 3 hours. Drink it.

Nourishing yin and moistening dryness, reducing fire and benefiting qi. It is more suitable for patients with cough and asthma caused by lung and stomach yin deficiency, such as dry cough, hemoptysis, hot flashes and night sweats.