Fever: When to Seek Medical Advice for Persistent Symptoms - Family Medicine

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Fever


In general, a body temperature above 37.5 degrees Celsius (99.5 degrees Fahrenheit) is considered a fever.
If your axillary temperature has been consistently between 37 to 37.5 degrees Celsius for about 2 to 3 months, along with symptoms such as feeling hot, headaches, dizziness, and easy fatigue, it is advisable to consult a physician.
You may want to see a specialist in Internal Medicine or a General Practitioner for further evaluation.
Thank you.

Linlin, 20~29 year old female. Ask Date: 2016/03/23

Dr. Wu Fangcan reply Family Medicine


A general fever is defined as a core body temperature above 37.5°C, and an axillary temperature should be increased by 0.5°C to approximate the core body temperature.
Based on your description, you have had a fever for several days.
It is advisable to seek evaluation and treatment from an internal medicine or family medicine specialist.
Thank you.

Reply Date: 2016/03/23

More Info


When it comes to understanding fever and when to seek medical advice, it's important to recognize that a normal body temperature typically ranges from about 36.1°C to 37.2°C (97°F to 99°F). A temperature of 37.5°C (99.5°F) or higher is generally considered a low-grade fever, while a temperature of 38°C (100.4°F) or higher is classified as a fever. Given that you have been experiencing persistent temperatures between 37°C and 37.5°C for the past 2 to 3 months, along with symptoms such as feeling hot, headaches, dizziness, and fatigue, it is advisable to seek medical attention.

Persistent low-grade fever can be indicative of various underlying conditions, including infections, autoimmune disorders, or even malignancies. In your case, the combination of symptoms you are experiencing warrants further investigation. The fact that you have been feeling unusually fatigued and have persistent headaches could suggest that your body is fighting off an infection or dealing with another health issue.
It is essential to consult a healthcare professional who can conduct a thorough evaluation. You may want to start with your primary care physician or a family medicine specialist, as they can assess your symptoms, perform necessary tests, and refer you to a specialist if needed. Depending on the findings, they might refer you to an infectious disease specialist, a rheumatologist (if an autoimmune condition is suspected), or a neurologist (if your headaches are concerning).

In addition to a physical examination, your doctor may recommend blood tests, imaging studies, or other diagnostic procedures to determine the cause of your symptoms. For instance, blood tests can help identify signs of infection, inflammation, or other abnormalities in your immune system. If necessary, a chest X-ray or CT scan may be performed to rule out respiratory infections or other conditions.

While waiting for your appointment, it’s crucial to monitor your symptoms closely. If you experience any worsening of your condition, such as a sudden increase in fever, difficulty breathing, severe headaches, or any other alarming symptoms, you should seek immediate medical attention.
In summary, given your persistent low-grade fever and accompanying symptoms, it is advisable to consult a healthcare professional. They can provide a comprehensive evaluation and guide you toward the appropriate treatment. Remember, early intervention is key to addressing potential health issues effectively.

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