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Doctor insights on: How High Is Too High For A Fever In Adults

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Dr. Susan Arnoult
Board Certified, Family Medicine
19 years in practice
5M people helped
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For adults: What is the normal body temperature range? What is the temp. of a fever? What is low body temp. range? What is the high body temp. range?

For adults: What is the normal body temperature range? What is the temp. of a fever? What is low body temp. range? What is the high body temp. range?

Wide range: There is a wide range of 'normal' temperatures for an adult - from 95 through 100 can be normal. Above 101 is what I would consider a fever that would be related to infection. ...Read more

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Dr. Adam Levy
Board Certified
31 years in practice
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Dr. Mark Diamond
2,229 doctors shared insights

Fever (Definition)

Fever is the temporary increase in the body's temperature in response to some disease or illness. A child has a fever when the temperature is at or above one of ...Read more


Dr. James Ferguson
Board Certified, Pediatrics
40 years in practice
144M people helped
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Can you please describe the effects (when you become an adult) of having had a high fever when you are a child?

Can you please describe the effects (when you become an adult) of having had a high fever when you are a child?

Nothing specific: Decades ago it was common to attribute learning difficulties or deafness to high fever in childhood.As research on kids has progressed, most deafness has been linked to other causes and learning difficulties linked to inherited factors. Meningitis or encephalitis, with or without high fever did have complications.Most kids with high fever grow up with no long term effects. ...Read more

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Dr. Adam Levy
Board Certified
31 years in practice
523K people helped
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Dr. Ajay Acharya
Board Certified, Internal Medicine
31 years in practice
10M people helped
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Dr. Ajay Acharya
Board Certified, Internal Medicine
31 years in practice
10M people helped
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Dr. Adam Levy
Board Certified
31 years in practice
523K people helped
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Dr. Heidi Fowler
Board Certified, Psychiatry
19 years in practice
527M people helped
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What's considerd a low grade fever? And what's considerd a high fever in adults?

What's considerd a low grade fever? And what's considerd a high fever in adults?

A temp of: 104 or greater would warrant medical attention. Temp >107.6 °F (42 °C) creates serious risk for brain damage. What constitutes low fever is adult is debatable. Check this med line plus article: http://www.nlm.nih.gov/medlineplus/ency/article/003090.htm ...Read more

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Dr. Ronald Krauser
Board Certified, Rheumatology
46 years in practice
65M people helped
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Is rashes after high fever common for adult?

Is rashes after high fever common for adult?

Sometimes: It depends on the underlying cause of the fever. Many febrile illness do also cause rashes. ...Read more

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Dr. David Schleimer
Board Certified, Orthodontics
32 years in practice
2M people helped
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Can a high fever cause a rash in adults?

Yes: A fever can precipitate a rash; it may be the pathogen causing the reactive fever, and also the direct cause of the rash. In either case an md vist is warranted. ...Read more

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Dr. Marsha Davis
Board Certified, Internal Medicine
22 years in practice
65M people helped
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I have had a 101+ fever for 4 days went to the dr they said it was a virus. How long is it ok for an adult to have a high fever.

I have had a 101+ fever for 4 days went to the dr they said it was a virus.  How long is it ok for an adult to have a high fever.

Well: If you don't treat the fever and its a virus the fever goes up and down on its own. Usually if it is a bacterial infection the fever hoed up and stays up. Viruses can last a week or mor depending on what it is. Right now there are some pretty nasty ones with high fevers going around, most with coughs ...Read more

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Dr. Luis Villaplana
Board Certified, Internal Medicine
29 years in practice
49M people helped
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Dr. James Ferguson
Board Certified, Pediatrics
40 years in practice
144M people helped
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Can adults get febrile seizures? And if so, how severe can these seizures get? Do they only happen at really high temperatures, or any temperature?

Can adults get febrile seizures? And if so, how severe can these seizures get? Do they only happen at really high temperatures, or any temperature?

Poor term: Febrile seizure is a term used to describe a process in childhood where their immature nervous system can develop benign seizures with febrile stress. It would never be applied to an adult with a mature nervous system. Childhood seizures are often benign, while adult seizures are not. Any seizure patient is more likely to have a seizure if they have a fever. ...Read more

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Dr. Adam Levy
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