Post-Fever Symptoms: Is It a New Illness or Recurrence? - Otolaryngology

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After the fever has improved, I have started to experience a runny nose again?


Hello, Doctor.
On the first night, I started feeling a swelling in my throat, and the next day I woke up with a fever and difficulty swallowing.
By the third day, I felt significantly better, with only slight swelling remaining in my throat.
However, on the fourth day, I began to have a runny nose with thick yellow mucus that had streaks of blood.
Could you please advise me if this is a second illness or a recurrence of the previous condition?

Dai Zhen, 20~29 year old female. Ask Date: 2016/06/02

Dr. Zheng Jueyi reply Otolaryngology


Hello: It is possible for all cases.
If the symptoms continue to improve, it is still recommended to seek medical examination and treatment again.
Wishing you peace and health.
Sincerely, Dr.
Cheng Jue-Yi, Director of the Department of Otolaryngology, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2016/06/02

More Info


When experiencing post-fever symptoms, it can be quite concerning to determine whether these symptoms indicate a new illness or a recurrence of the previous one. In your case, you initially experienced a sore throat followed by a fever, which then improved, only to be followed by new symptoms such as nasal congestion with thick yellow mucus containing blood. This situation raises several important considerations.

Firstly, it is essential to understand that the symptoms you are experiencing could be part of a continuum of the same illness or could indicate a secondary infection. Viral infections, such as those caused by common cold viruses or influenza, can lead to a range of symptoms, including sore throat, fever, and nasal congestion. After the initial viral infection, it is not uncommon for individuals to develop secondary bacterial infections, particularly if the immune system is still recovering. This is especially true if symptoms such as thick yellow nasal discharge and blood-streaked mucus appear, as these can be indicative of sinusitis or a bacterial infection.

The presence of blood in your nasal mucus can be concerning and may suggest irritation of the nasal passages, which can occur due to inflammation from the initial viral infection or from excessive nasal blowing. However, it can also indicate a more serious issue, such as a bacterial sinus infection or even a more significant underlying condition. Therefore, it is crucial to monitor the situation closely.

Given your symptoms, it is advisable to consult a healthcare professional for a thorough evaluation. A doctor may perform a physical examination, review your medical history, and possibly order diagnostic tests such as a nasal swab or imaging studies to determine the cause of your symptoms. They may also assess for other potential causes of your symptoms, such as allergies or environmental irritants, which can also lead to similar presentations.

In terms of management, if a bacterial infection is suspected, your doctor may prescribe antibiotics. Additionally, symptomatic relief can be achieved through the use of decongestants, saline nasal sprays, or antihistamines, depending on the underlying cause of your symptoms. Staying well-hydrated and using humidifiers can also help alleviate discomfort.

In conclusion, while it is possible that your current symptoms are a continuation of the initial illness, the presence of new symptoms such as thick yellow mucus with blood warrants further investigation. It is essential to seek medical advice to ensure appropriate management and to rule out any serious conditions. Remember, timely intervention can lead to better outcomes, so do not hesitate to reach out to a healthcare provider for guidance.

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