What causes cough with phlegm, sore throat, and yellow sputum?
In general, cough with phlegm, sore throat, and yellow sputum may be related to factors such as tonsillitis, chronic sinusitis, pneumonia, pharyngitis, and bronchitis. Patients are advised to follow medical advice for symptomatic treatment. Specific analysis is as follows:
1. Tonsillitis
Tonsillitis is usually caused by bacterial infection, but it can also result from frequent alcohol consumption or smoking. Tonsillitis leads to symptoms such as swollen tonsils and fever. Local inflammation may irritate the nasal passages and throat, causing nasal congestion, cough with yellow phlegm, and itchy throat. Patients may take medications such as Hou'erhuan Anti-inflammatory Granules or acetaminophen tablets under medical guidance.
2. Chronic Sinusitis
This condition often results from recurrent acute sinusitis or structural abnormalities in the nasal cavity and sinuses. When a bacterial infection occurs in the sinuses, purulent nasal discharge may form and flow backward into the throat, appearing as yellow phlegm and causing throat irritation, itching, and coughing. Patients may take medications such as Biyuan Tongqiao Granules or Sinusitis Oral Liquid under medical supervision.
3. Pneumonia
Pneumonia occurs when bacteria such as Escherichia coli or Klebsiella invade lung tissue, damaging alveoli and producing yellow inflammatory exudates, leading to symptoms including cough, yellow sputum, and itchy throat, often accompanied by difficulty expectorating and shortness of breath. Patients may be treated with enteric-coated erythromycin capsules, minocycline hydrochloride capsules, or similar medications under a doctor's direction.
4. Pharyngitis
Patients with pharyngitis often have reduced immunity. After irritation of the pharyngeal mucosa, symptoms such as itchy throat and irritating cough may occur. During flare-ups, increased secretions in the throat may become purulent due to bacterial infection, resulting in yellow sputum. Patients may take roxithromycin dispersible tablets, azithromycin capsules, or similar drugs under medical guidance.
5. Bronchitis
Repeated bacterial infections cause chronic non-specific inflammation of the bronchi, damaging the bronchial mucosa and leading to the exudation of yellow mucus. This mucus is expelled through ciliary movement, resulting in symptoms such as cough and yellow sputum, along with throat itching and hoarseness. Patients may take cefixime capsules, cefaclor dispersible tablets, or similar medications under medical supervision.
In addition, these symptoms may also be associated with conditions such as bronchiectasis or tuberculosis. It is recommended to seek timely medical evaluation at a hospital, identify the underlying cause, and follow appropriate treatment as directed by a physician.