Fever
Free Symptom Checker
with Physician-supervised AI
Reviewed By:
Yoshinori Abe, MD (Internal medicine)
Dr. Abe graduated from The University of Tokyo School of Medicine in 2015. He completed his residency at the Tokyo Metropolitan Health and Longevity Medical Center. He co-founded Ubie, Inc. in May 2017, where he currently serves as CEO & product owner at Ubie. Since December 2019, he has been a member of the Special Committee for Activation of Research in Emergency AI of the Japanese Association for Acute Medicine. | | Dr. Abe has been elected in the 2020 Forbes 30 Under 30 Asia Healthcare & Science category.
Unnati Patel, MD, MSc (Primary Care Physician)
Dr Patel graduated from the Zhejiang University School of Medicine. She worked in clinical research at the University of Illinois in Chicago and University of Nevada in Las Vegas focused on culturally adapted health interventions for preventive medicine in the community setting. Received her Master's of Science in Global Health (concentration in Health Policy) from Georgetown University, during which she worked with the WHO in Sierra Leone and Save the Children in Washington, D.C. Unnati went on to complete her family medicine residency in Chicago, Illinois at Norwegian American Hospital. | | She is currently working as a primary care physician in the city of Chicago and completing her Master's of Business Administration at the Northwestern University Kellogg School of Management and Fellowship in Leadership in Value-Based Care.
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People with these symptoms also use Ubie's symptom checker to find possible causes
Has over 100.4°F / 38°C heat
Persistently having fever of 102.2°F / 39°C for a whole day and it spikes even higher once in a while
Fever subsided to normal temperatures for a while but came back again
Persistent fever of 100.4°F / 38°C or more for more than 7 days
Fever is going too high, 106.7°F / 41.5°C or higher
Keep getting high temperatures (>100.4°F / 38°C)
Coughing and runny nose before the fever started
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Content updated on Jan 4, 2023
About the symptom
A fever is an increase in body temperature.
When to see a doctor
Seek professional care if you experience any of the following symptoms
Repeated fever above 38 ℃
Difficulty breathing / breathlessness
Gross hematuria
Peripheral cyanosis
Sensation of incomplete voiding
Respiratory wheeze
Seizure attack
Possible causes
Viral mucositis
- Chronic pyelonephritis
A type of urinary tract infection, characterized by repeated and chronic bacterial infection of the kidneys.
- Dengue fever
Dengue fever is caused by the dengue virus, transmitted by infected Aedes mosquitoes. There are four subtypes of the virus. Infections are more severe in immunocompromised individuals, the elderly, and young children. A second infection can be more severe due to cross-reacting antibodies from the first infection. Severe dengue fever can be fatal.
- Common cold (upper respiratory tract infection)
- Meckel's diverticulosis
Related serious diseases
- Heatstroke
This is a life-threatening emergency where the person's body temperature is dangerously high and they display neurological abnormalities. This occurs when the body fails to regulate its temperature properly. It can be caused by the surrounding environment (heat, moisture) or internal factors (dehydration, strenuous exercise).
- Deep-seated mycosis
- Pneumonia (lower respiratory tract infection)
- Uremia / chronic renal failure
Questions your doctor may ask about this symptom
Your doctor may ask these questions to check for this symptom
Do you have a fever?
Do you have a cough?
Do you have headaches or does your head feel heavy?
Do you have a sore throat?
Do you have a runny nose?
Other Related Symptoms
Similar symptoms or complaints
Symptoms from the same body system / part
Symptoms treated by the same specialty
References
High temperature (fever) in adults
https://www.nhs.uk/conditions/fever-in-adults/
Reviewed By:
Yoshinori Abe, MD (Internal medicine)
Dr. Abe graduated from The University of Tokyo School of Medicine in 2015. He completed his residency at the Tokyo Metropolitan Health and Longevity Medical Center. He co-founded Ubie, Inc. in May 2017, where he currently serves as CEO & product owner at Ubie. Since December 2019, he has been a member of the Special Committee for Activation of Research in Emergency AI of the Japanese Association for Acute Medicine. | | Dr. Abe has been elected in the 2020 Forbes 30 Under 30 Asia Healthcare & Science category.
Unnati Patel, MD, MSc (Primary Care Physician)
Dr Patel graduated from the Zhejiang University School of Medicine. She worked in clinical research at the University of Illinois in Chicago and University of Nevada in Las Vegas focused on culturally adapted health interventions for preventive medicine in the community setting. Received her Master's of Science in Global Health (concentration in Health Policy) from Georgetown University, during which she worked with the WHO in Sierra Leone and Save the Children in Washington, D.C. Unnati went on to complete her family medicine residency in Chicago, Illinois at Norwegian American Hospital. | | She is currently working as a primary care physician in the city of Chicago and completing her Master's of Business Administration at the Northwestern University Kellogg School of Management and Fellowship in Leadership in Value-Based Care.
User testimonials
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Seiji Kanazawa, MD, PHD
Obstetrics and gynecology (OBGYN)
National Center for Child Health and Development, Japan