Body temperature, Family Medicine FAQ

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Understanding Persistent Low-Grade Fever: When to Seek Medical Advice

Persistent low-grade fever Hello, doctor. I would like to inquire about my body temperature. Since this past Monday, my temperature has been fluctuating around 37.5 degrees Celsius, with a maximum of 37.7 and a minimum of 37.1. Most of the time, it is between 37.4 and 37.6. I am ...


Dr. Liao Yaopan Reply:
Hello, according to the records, your temperature is indeed slightly elevated. If it does not improve, it is advisable to visit the Infectious Disease Clinic for further evaluation. Please note that online consultations are not equivalent to in-person medical visits and cannot pr...

[Read More] Understanding Persistent Low-Grade Fever: When to Seek Medical Advice


Understanding Elevated Body Temperature: Is It Fever or Just Normal Variation?

Elevated body temperature? Hello Doctor, I have been experiencing a body temperature ranging from around 37.5 degrees Celsius since this past Monday, with a low of 37.1 and a high of 37.7. My usual temperature is about 37.3 to 37.6. I also have symptoms of sweaty palms and feet, ...


Dr. Ye Qianyu Reply:
Hello! It is recommended that you seek medical treatment at a healthcare facility.

[Read More] Understanding Elevated Body Temperature: Is It Fever or Just Normal Variation?


Persistent Low-Grade Fever: Possible Causes and Next Steps for Evaluation

Persistent elevated body temperature? Hello, doctor. Last August, I had a fever reaching 38 degrees Celsius (ear temperature), which dropped to 37.7 degrees on the same day. However, I have been experiencing a persistent low-grade fever ranging from 37 to 37.5 degrees until March...


Dr. Chen Bozhang Reply:
Dear Ms. Tsai, I understand from your letter that you have been experiencing persistent low-grade fever since August of last year, and various examinations have not revealed a cause. Generally, the potential causes of continuous fever may include infections, rheumatologic and au...

[Read More] Persistent Low-Grade Fever: Possible Causes and Next Steps for Evaluation


Understanding Temperature Fluctuations: When to Seek Medical Attention

Body temperature issues Hello, I am 27 years old. My usual body temperature measured with a home thermometer is around 36.5-37.5 degrees Celsius. However, for the past two days, it has suddenly dropped to around 35-35.5 degrees Celsius, accompanied by symptoms such as headache, d...


Dr. Xiao Yongxun Reply:
Dear Ms. Li Hsin-yun: 1. Humans possess physiological mechanisms to regulate and maintain core body temperature. When there is a need to release excess heat, the body cools down by increasing blood circulation to the skin and sweating. Conversely, to retain internal heat, the bo...

[Read More] Understanding Temperature Fluctuations: When to Seek Medical Attention


Unexplained Symptoms: Navigating Complex Health Issues in Family Medicine

Unknown etiology? My normal body temperature ranges from 36.4 to 37.3 degrees Celsius. I have a history of fatty liver disease, and my mother and her relatives have issues related to hypertension, hyperlipidemia, and gastrointestinal problems. My father's side has a history ...


Dr. Xiao Yongxun Reply:
Dear Mr. Lseedead: 1. Since you have been hospitalized and undergone many tests that all returned normal results, I believe that given your age, there shouldn't be any significant issues. 2. The pulmonologist and infectious disease specialist have reviewed your imaging and ...

[Read More] Unexplained Symptoms: Navigating Complex Health Issues in Family Medicine


Understanding Arm Pain After Pneumococcal Vaccine: When to Seek Help

Soreness in the upper arm occurred one week after receiving the pneumococcal vaccine? When raising the upper arm, there is a noticeable muscle soreness, and the arm feels slightly swollen. There is no pain when the arm is lowered, and there is no pain when moving the lower arm. T...


Dr. Lin Zhebin Reply:
Hello: The arm soreness caused by vaccine injection typically resolves within three days. Since your arm pain has persisted for almost a week, along with a mild fever, it is advisable to seek medical evaluation and treatment. Given your described symptoms, there is concern about ...

[Read More] Understanding Arm Pain After Pneumococcal Vaccine: When to Seek Help


Persistent Low-Grade Fever After COVID-19: Is It a Long-Term Effect?

Since being re-diagnosed at the end of January this year, my body temperature has remained elevated? Hello, I was diagnosed with COVID-19 for the second time at the end of January this year, and I tested negative three days later. However, my body temperature has been slightly el...


Dr. Hou Angting Reply:
Hello Mr. Chang: It is normal for body temperature to fluctuate after general activities. If your temperature is within the normal range in the morning and you do not have any discomfort, the likelihood of post-COVID syndrome is lower. I suggest you relax and develop a habit of e...

[Read More] Persistent Low-Grade Fever After COVID-19: Is It a Long-Term Effect?


Understanding Persistent High Body Temperature: When to Seek Medical Advice

Elevated body temperature? Hello, Doctor: I have been experiencing elevated body temperature for about three months. Initially, it was occasional, but recently it has become more frequent, reaching around 37 degrees Celsius almost every day, even while resting indoors. I also exp...


Dr. Hou Angting Reply:
Hello Xiao Mao: Due to the many factors that can affect body temperature, such as gender and occupational status, it is recommended that you consult with a family medicine specialist for evaluation. Wishing you good health.

[Read More] Understanding Persistent High Body Temperature: When to Seek Medical Advice


Persistent Low-Grade Fever After Viral Infection: What to Know

Since a certain day when I caught a chill, I have been experiencing a persistent low-grade fever? Since last Tuesday, there has been continuous wind, and starting from Wednesday, I experienced mild throat pain along with a body temperature ranging between 37°C and 37.8°C. The nex...


Dr. Liao Yaopan Reply:
Hello, there are many possible reasons for an elevated body temperature, with the most common being infections. Other potential causes include inflammatory diseases or tumors. If the high temperature persists, it is advisable to have an evaluation by an infectious disease special...

[Read More] Persistent Low-Grade Fever After Viral Infection: What to Know


Understanding Low Body Temperature: Causes and Management for Chronic Conditions

Recently, I have noticed that my body temperature is abnormally low, at 34.7 degrees Celsius? Hello, doctor. I have a history of diabetes, hypertension, and kidney disease for 32 years. My hemoglobin A1c was 6.6 in December last year. I was diagnosed with myasthenia gravis in Jul...


Dr. Lin Zhebin Reply:
Hello: Your issue of having a low body temperature may be related to hypothyroidism, adrenal insufficiency, hypoglycemia, nutritional deficiencies, neuromuscular diseases, infections, and so on. Additionally, the frequent cramping you experience may be associated with electrolyte...

[Read More] Understanding Low Body Temperature: Causes and Management for Chronic Conditions


Understanding Unexplained Fever: When to Seek Medical Advice

Unexplained fever? Hello Doctor: Recently, I have been experiencing sudden increases in body temperature, around 37-37.4 degrees Celsius when measured in the ear. Is this considered a fever? It is also accompanied by fatigue and headaches, but this occurs while I am indoors and a...


Dr. Hou Angting Reply:
Hello: It is recommended that you visit the Family Medicine outpatient clinic for evaluation and follow-up. Wishing you good health.

[Read More] Understanding Unexplained Fever: When to Seek Medical Advice


Understanding Elevated Body Temperature After a Cold: What You Need to Know

Elevated body temperature? Hello Doctor: I had a cold with a fever on September 20th and saw the doctor twice. I believe my cold is almost gone, but I still have a scratchy throat and a cough. My concern is that when I'm in an air-conditioned room or just after waking up, my...


Dr. Ye Qianyu Reply:
Hello! Currently, a diagnosis cannot be made solely based on symptoms. It is recommended that you seek medical attention at a healthcare facility if you have concerns.

[Read More] Understanding Elevated Body Temperature After a Cold: What You Need to Know


Understanding Nighttime Fever: Causes and Concerns in Family Medicine

Fever at specific times? I would like to ask about a situation where there are no respiratory symptoms, and both mental state and appetite are good. However, every night after 10 PM, I experience a fever of 38.3 to 38.5 degrees Celsius (with variations between ears). I measure it...


Dr. Lin Zhebin Reply:
Hello: Regarding your issue of experiencing fever at specific times in the evening, it is important to consider potential causes such as infections, endocrine disorders, autoimmune diseases, or cancer. It is advisable to seek medical attention promptly to investigate the underlyi...

[Read More] Understanding Nighttime Fever: Causes and Concerns in Family Medicine


Understanding Unexplained Fever: Potential Causes and Concerns

Fever of unknown origin (FUO) Since being diagnosed on May 25, my body temperature has been consistently elevated, around 38.4°C. However, since August, my temperature has generally risen to around 38°C. I underwent a series of tests at the Veterans General Hospital, and everythi...


Dr. Liao Yaopan Reply:
Hello, the causes of unexplained fever may be related to various systems, including infections, autoimmune diseases, and tumors, among others. Infections are likely the most common cause. Hematology and rheumatology should also be investigated. Please note that online consultatio...

[Read More] Understanding Unexplained Fever: Potential Causes and Concerns


Understanding Heat Exhaustion Symptoms and When to Seek Help

Suspected heat exhaustion? Hello Doctor: For the past two to three days, I have been feeling a lot of heat in my head, neck, and back, along with tightness in my neck and headaches. My body temperature has been around 37.5°C, and I have been experiencing fatigue, but I do not hav...


Dr. Lin Zhebin Reply:
Hello: 1. Heat exhaustion is defined as a condition that occurs after engaging in strenuous work or activities in a hot environment, leading to excessive sweating, dehydration, and an imbalance of electrolytes, resulting in mild shock symptoms. If you are not in such an environme...

[Read More] Understanding Heat Exhaustion Symptoms and When to Seek Help


Understanding Persistent Low-Grade Fever After COVID-19 Recovery

Low-grade fever I tested positive for COVID-19 on July 9 and completed my isolation on July 16. However, I still have positive results on rapid tests, and my body temperature has consistently been elevated (ranging from 37 to 37.6°C), occasionally reaching 37.9°C. I consulted a d...


Dr. Li Zhenggang Reply:
We recommend that you discuss the above situation further with your telemedicine attending physician to determine if any additional treatment is necessary. Thank you, and wishing you good health!

[Read More] Understanding Persistent Low-Grade Fever After COVID-19 Recovery


Post-COVID Symptoms: Understanding Fatigue and Elevated Temperature

COVID-19 Hello, doctor: I would like to ask, I was diagnosed on May 28, and it has been nearly a month since then. Recently, I have noticed that my body temperature is higher than before, but it does not exceed 38 degrees Celsius. I also feel more fatigued than I did before the d...


Dr. Lin Zhebin Reply:
Hello: Your elevated body temperature and fatigue are indeed likely to be sequelae of COVID-19. This condition may persist for several months or even up to a year. However, it is also important to consider that other illnesses could be causing your discomfort. I recommend maintai...

[Read More] Post-COVID Symptoms: Understanding Fatigue and Elevated Temperature


Understanding Low-Grade Fever: Causes and Concerns in Family Medicine

Temperature issues Hello Doctor: My condition started on the 7th of this month, when I felt a sensation of body heat for about four days (I didn't take my temperature, as I have experienced this occasionally before, and it has never been a real fever; just a warm neck, along...


Dr. Xiao Yongxun Reply:
Dear Ms. Amy: 1. Humans possess physiological mechanisms to regulate and maintain core body temperature. When there is a need to release excess heat, the body cools down by increasing blood circulation to the skin and sweating. Conversely, to conserve internal heat, the body red...

[Read More] Understanding Low-Grade Fever: Causes and Concerns in Family Medicine


Understanding Persistent Low-Grade Fever: Causes and When to Seek Help

Low-grade fever issue Hello Doctor, I remember that about five or six years ago, I experienced episodes for a few months where I would feel warm and have headaches (my temperature was always between 36-37.5°C without fever). Since then, I have had similar experiences every year. ...


Dr. Liao Yaopan Reply:
Hello, with unexplained fever and elevated body temperature, the primary concern should be to rule out any potential infectious issues. If such concerns are excluded, differential diagnosis for autoimmune rheumatic diseases and even neoplastic conditions should be considered. Ple...

[Read More] Understanding Persistent Low-Grade Fever: Causes and When to Seek Help


Understanding Dizziness, High Temperature, and Rapid Heartbeat Symptoms

Dizziness, elevated body temperature, rapid heartbeat? Hello Doctor, I would like to detail my condition and seek your advice on which specialty to consult. Thank you. On April 11 and 12, during dinner time, I experienced symptoms suggestive of hypoglycemia, including mild dizz...


Dr. Lin Zhebin Reply:
Hello: Your symptoms include dizziness, palpitations, numbness in the hands, elevated body temperature, and feelings of hunger. Initially, we would suspect a possible infection, commonly related to the respiratory, gastrointestinal, or urinary tracts. If you do not have any relat...

[Read More] Understanding Dizziness, High Temperature, and Rapid Heartbeat Symptoms


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