Dry and sore throat and cough are mainly caused by wind-heat cold and fire, so you should drink more water and eat more fresh vegetables and fruits. For example, you can take Pudilan Anti-inflammatory Granules, Blue Scutellaria Oral Liquid, Four Seasons Throat Lozenges, Watermelon Cream Throat Lozenges, Shuang Huang Lian Oral Liquid and so on. If the cough is more severe without phlegm, you can use cough suppressants, usually dextromethorphan granules, or you can use drugs such as compound licorice combination, coughing Bichen, etc. If the cough has phlegm, you also need to use drugs such as acute syrup, snake bile and Chuanbei liquid, fresh bamboo liquid, etc. If there is bacterial infection and fever, penicillin or cephalosporin can be preferred, most of them will improve in a week or so.