What should the old man do if he coughs for a long time?

Dietotherapy remedy for chronic cough in the elderly-sesame white sugar paste [source]: folk medicinal diet remedy [raw material]: sesame 500g, appropriate amount of white sugar [method]: clean sesame, put it in an iron pan and fry it with slow fire, then cool it, mash it, and put it in a crock for later use [usage]: when eating, put 2 tablespoons each time, put it in a bowl, add appropriate amount of white sugar, and rinse it with boiling water. Lung dryness, cough and dry skin; Symptoms such as liver and kidney yin deficiency and constipation in the elderly lead to premature gray hair. Attachment: Other related dietotherapy remedies 1. Treatment of chronic cough: 200 ml of ginger juice and 200 ml of honey are fried in the same pot until they are thick, then cease fire and bottle them after cooling. 20 ml each time, taken with boiling water, three times a day. 2, honey radish juice: 1 white radish, washed, hollowed out in the middle, put 100 grams of honey, put it in a bowl, put it in a pot to drink. Has that effect of clearing away heat, moisten lung, relieving cough and resolving phlegm, and is suitable for acute and chronic bronchitis, cough, excessive phlegm, chronic cough, blood in phlegm and dry throat caused by pulmonary tuberculosis. 3, lily honey: lily 100 grams, 50 grams of honey, mix well and steam, eat before going to bed. Suitable for neurasthenia, poor sleep, chronic cough, dry mouth and other diseases. 4. Ginger honey cream: 200 grams of ginger juice and 200 grams of honey. When decocted in water until it becomes thick, stop fire, cool and bottle for later use. 30 ml each time, with hot boiled water, twice a day. Can be used for treating chronic cough caused by lung cold and lung dryness. 5, 20 grams of sesame seeds, South Almond 15 grams, * * * mashed with boiling water; Or add a proper amount of rock sugar to decoct, one dose a day, to cure chronic cough without phlegm.