Persistent Fever After COVID-19 Diagnosis: When to Seek Medical Help? - Family Medicine

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Persistent fever due to COVID-19?


I'm sorry to hear that you're feeling unwell.
This morning, I suddenly developed a fever.
I had tested negative yesterday, so I thought it was just a common cold and went to see a doctor, where I received medication.
However, when I got home, I decided to take a rapid test again and found out that I was positive for COVID-19.
I have been taking the medication prescribed by the doctor, but since then, my temperature has remained between 38 and 39 degrees Celsius, except for a brief period when it dropped to 36.37 degrees.
I occasionally experience headaches and have body aches.
I took medication an hour ago, and since my fever hasn't subsided, I took another dose from the doctor's prescription.
Should I see a doctor again since I have been experiencing a persistent fever? Thank you, as this is my first time being diagnosed, and I'm quite worried.

Chen Xi, 10~19 year old female. Ask Date: 2023/06/11

Dr. Ye Qianyu reply Family Medicine


Hello! COVID-19 fever may last approximately 3-4 days, and treatment is primarily symptomatic.
If there are high-risk factors, please seek medical attention promptly for antiviral medication.
Monitor your respiratory status, and if you experience wheezing or worsening symptoms, it is advisable to return for a follow-up visit as soon as possible.

Reply Date: 2023/06/11

More Info


When dealing with a persistent fever after a COVID-19 diagnosis, it is essential to understand the potential implications and when to seek further medical assistance. Given your situation, where you initially tested negative but later confirmed a COVID-19 infection, it is understandable to feel anxious, especially since you are experiencing a high fever (38-39 degrees Celsius), headaches, and body aches.

Firstly, it's important to recognize that fever is a common symptom of COVID-19 and can persist for several days, often peaking around the third to fifth day of illness. In many cases, fever can be managed with over-the-counter medications such as acetaminophen or ibuprofen, which can help reduce fever and alleviate discomfort. However, if your fever persists despite medication, or if it continues to rise, it may indicate a more serious issue that requires medical evaluation.

Here are some key points to consider regarding your symptoms and when to seek medical help:
1. Duration and Severity of Fever: If your fever lasts more than three days or is consistently above 39 degrees Celsius (102.2 degrees Fahrenheit), it is advisable to consult a healthcare provider. Persistent high fever can be a sign of complications or secondary infections that may require treatment.

2. Associated Symptoms: You mentioned experiencing headaches and body aches, which are common with COVID-19. However, if you develop additional symptoms such as difficulty breathing, chest pain, confusion, or persistent vomiting, you should seek immediate medical attention. These symptoms could indicate a more severe form of the disease or complications such as pneumonia.

3. Monitoring Oxygen Levels: If you have access to a pulse oximeter, monitoring your oxygen saturation levels can provide valuable information. Normal oxygen saturation levels are typically between 95-100%. If your levels drop below 92%, it is crucial to seek medical care promptly.

4. Underlying Health Conditions: If you have any pre-existing health conditions, such as asthma, diabetes, or heart disease, it is important to be more vigilant. These conditions can complicate COVID-19 and increase the risk of severe illness.

5. Follow-Up with Healthcare Provider: Since you have already consulted a doctor and received medication, it is wise to follow up with them if your symptoms do not improve or worsen. They may consider additional testing, such as blood tests or imaging, to rule out other infections or complications.

6. Hydration and Rest: Ensure you are staying well-hydrated and getting plenty of rest. Fever can lead to dehydration, so drinking fluids is essential. If you find it difficult to keep fluids down or are experiencing severe fatigue, this is another reason to seek medical advice.

7. Mental Health Considerations: It's natural to feel anxious during this time, especially as a first-time COVID-19 patient. Consider reaching out to friends, family, or mental health professionals for support.

In summary, while fever is a common symptom of COVID-19, persistent high fever, especially when accompanied by other concerning symptoms, warrants further medical evaluation. Do not hesitate to reach out to your healthcare provider for guidance tailored to your specific situation. They can provide the best advice based on your symptoms and medical history. Remember, early intervention can be crucial in managing any potential complications.

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