What causes runny nose with clear mucus after fever, and what should be done?
Sep 22, 2022
Source: Cainiu Health
Dr. Guo Xiheng
Introduction
Fever generally refers to an elevated body temperature. Runny nose with clear discharge after fever may be caused by viral infection, common cold, drug reaction, allergic rhinitis, sinusitis, or other reasons, and can be treated through lifestyle adjustments or medication. Patients are advised to promptly visit a hospital for necessary examinations to identify the underlying cause and actively cooperate with doctors for appropriate treatment.
Fever generally refers to an elevated body temperature. Runny nose with clear mucus following fever may be caused by viral infection, common cold, drug reaction, allergic rhinitis, or sinusitis, and can be treated through lifestyle adjustments or medication. Specific analyses are as follows:
1. Viral infection: Many viral infections, such as influenza virus or the common cold virus, can cause fever and clear runny nose. These infections lead to nasal mucosal congestion and increased secretions, resulting in a runny nose. Treatment under medical guidance may include medications such as cefotaxime sodium and sulbactam sodium for injection or levofloxacin tablets.
2. Common cold: After developing a fever, the body's resistance decreases, making it easier for pathogens to invade. Inflammation of the nasal mucosa due to a cold leads to significantly increased nasal secretions and frequent runny nose. Clear nasal discharge commonly occurs with wind-cold type colds or viral colds. Treatment may include medications such as Ganmaoling granules or ibuprofen tablets, taken as directed by a physician.
3. Drug reaction: Certain medications or allergic reactions may cause nasal mucosal congestion and increased secretions, leading to clear runny nose. Examples include some over-the-counter drugs, angiotensin-converting enzyme (ACE) inhibitors, and non-steroidal anti-inflammatory drugs (NSAIDs). It is recommended to adjust dosage or switch medications under a doctor’s supervision.
4. Allergic rhinitis: Allergic rhinitis is a typical allergic response that causes nasal mucosal congestion and increased secretions. This reaction often occurs after exposure to allergens such as pollen, dust mites, or pet dander. Fever may result from an allergic constitution or concurrent infection. Treatment under medical guidance may include fexofenadine hydrochloride tablets or loratadine granules.
5. Sinusitis: Sinusitis is a condition caused by infection or inflammation of the sinuses. Fever, nasal congestion, and clear runny nose are common symptoms. Treatment under medical guidance may include amoxicillin tablets or cefixime granules.
Patients are advised to promptly visit a hospital for necessary examinations to determine the underlying cause and actively cooperate with treatment. During treatment, adequate rest, increased fluid intake, and close monitoring of symptom changes are important.
