Sore throat after chemotherapy may be chemotherapeutic drugs on the mucous membrane of the throat damage, can also be seen in the throat inflammation caused by, should consult a doctor in a timely manner, the treatment is mainly general treatment, drug treatment. Chemotherapeutic drugs on the mucous membrane of the oral cavity and throat stimulation can cause swelling and discomfort in the throat, belonging to the side effects of chemotherapy, the general treatment at this time is mainly life interventions, eating should be light, avoid spicy stimulation, drink more water, the symptom mostly disappears after a week. You can also take Blue Baicalin Oral Liquid, Shuanghuanglian Oral Liquid and so on. If it is caused by inflammation and infection after chemotherapy, anti-inflammatory drugs such as amoxicillin and cefazolin should be taken orally, and attention should be paid to keeping warm in daily life, avoiding catching cold, quitting smoking and alcohol. Whether it is caused by a variety of reasons, should promptly consult a doctor, under the guidance of the doctor standardized medication.