Also called: Pyrexia
    अनुवाद: हिन्दी
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    A fever is a body temperature that is higher than normal. It is not an illness. It is part of your body's defense against infection. Most bacteria and viruses that cause infections do well at the body's normal temperature (98.6 F). A slight fever can make it harder for them to survive. Fever also activates your body's immune system.

    Infections cause most fevers. There can be many other causes, including

    Treatment depends on the cause of your fever. Your health care provider may recommend using over-the-counter medicines such as acetaminophen or ibuprofen to lower a very high fever. Adults can also take aspirin, but children with fevers should not take aspirin. It is also important to drink enough liquids to prevent dehydration.

    Symptoms of Fever

    The following features are indicative of Fever:
    • sweating
    • shivering
    • headache
    • muscle aches
    • loss of appetite
    • dehydration
    • general weakness
    • hallucinations
    • confusion
    • irritability
    • convulsions
    It is possible that Fever shows no physical symptoms and still be present in a patient.
    References: 1, 2, 3

    Common Causes of Fever

    The following are the most common causes of Fever:
    • infection
    • inflammatory disorders
    • extreme sunburn
    • heat exhaustion
    • malignant tumor
    • immunizations
    References: 1, 2, 4

    Other Causes of Fever

    The following are the less common causes of Fever:
    • medications
    • teething
    • thrombophlebitis
    References: 1, 2, 4

    Risk Factors of Fever

    The following factors may increase the likelihood of Fever:
    • weakened immune system

    Prevention of Fever

    Yes, it may be possible to prevent Fever. Prevention may be possible by doing the following:
    • reducing exposure to infectious diseases
    • wash hands thoroughly
    • using hand sanitizer
    • try to cover mouth and nose while coughing or sneezing
    References: 5

    Occurrence of Fever

    Degree of Occurrence

    The following are number of Fever cases seen each year worldwide:
    • Very common > 10 Million cases

    Common Age Group

    Fever most commonly occurs in the following age group:
    • Can happen at any age

    Common Gender

    Fever most commonly occurs in the following gender:
    • Not gender specific
    References: 4

    Lab Tests and Procedures for Diagnosis of Fever

    The following lab tests and procedures are used to detect Fever:
    • Blood tests: To determine the cause of fever
    • Chest x-ray: To diagnose the cause of fever
    • Urinalysis: To know the cause of the fever
    References: 1, 5

    Doctor for Diagnosis of Fever

    Patients should visit the following specialists if they have symptoms of Fever:
    • General practitioner
    • Family doctor
    • Pediatrician

    Complications of Fever if Untreated

    Yes, Fever causes complications if it is not treated. Below is the list of complications and problems that may arise if Fever is left untreated:
    • severe dehydration
    • hallucinations
    • febrile seizure
    References: 6

    Self-care for Fever

    The following self-care actions or lifestyle changes may help in the treatment or management of Fever:
    • Drink plenty of fluids: Prevents fluid loss and dehydration
    • Take rest: Helps in recovering you from fever
    References: 7

    Alternative Medicine for Treatment of Fever

    The following alternate medicine and therapies are known to help in the treatment or management of Fever:
    • Lukewarm bath or sponge bath: Helps in lowering the fever
    References: 1

    Time for Treatment of Fever

    While time-period of treatment for each patient may vary, below is the typical time-period for Fever to resolve if treated properly under an expert supervision:
    • Within 1 week
    References: 4, 8

    Is Fever Infectious?

    Yes, Fever is known to be infectious. It can spread across people via the following means:
    • direct contact
    References: 9

    Questions - Fever

    Demographic Information - Fever

    Following is the demographic information reported by website visitors for Fever. Information below may include patient demographics as well as data for website visitors who might be researching on behalf of patients e.g. parents for small children. The data below may or may not be reflective of the complete patient population demographics for this medicine/health topic.
    126 out of 162 users are male.
    Users Percentile
    Participants: 162
    The most common user is < 21 years old.
    Users Percentile
    < 2163
    Participants: 146
    Marital Status
    Users most commonly report that they are 'Single, never married'.
    Users Percentile
    Single, never married7
    Married or domestic partnership4
    Participants: 13
    Users most commonly suffer from Back pain.
    Users Percentile
    Back pain25
    Sexually transmitted disease (STD)6
    Heart attack4
    Chronic pain (e.g., arthritis, migraine, fibromyalgia, neuropathy)2
    Participants: 66
    Body Weight
    44 out of 126 users report that they are overweight.
    Users Percentile
    Not overweight82
    Participants: 126
    Smoking Habit
    115 out of 152 users report that they do not smoke.
    Users Percentile
    Do not smoke115
    Participants: 152
    Alcohol Consumption Frequency
    Users most commonly reported never consuming alcohol
    Users Percentile
    One drink a day10
    Two drinks a day5
    More than two drinks a day2
    Once a week5
    Twice a week5
    Once a month7
    Participants: 112
    51 out of 115 users report that they had significant pain in the last 3 months.
    Users Percentile
    Significant pain in the last 3 months51
    No significant pain in the last 3 months64
    Participants: 115
    Student is the most common profession reported by users.
    Users Percentile
    House Maker8
    Engineer, IT or Software7
    Family business6
    Participants: 97
    Routine Health Check-ups
    8 out of 15 users report that they receive routine health check-ups or physical examinations.
    Users Percentile
    Yes, receive routine health check-ups or physical examinations8
    No, do not receive routine health check-ups or physical examinations7
    Participants: 15
    Missed Health Checkup Reason
    'I am healthy and do not need routine health check-ups' is the most commonly reported reason for not receiving routine health checkups.
    Users Percentile
    I am healthy and do not need routine health check-ups2
    Lack of insurance coverage1
    I am not able to afford the payment1
    I do not have the time1
    Participants: 5
    7 out of 14 users report that they are taking more than one medicine on regular basis.
    Users Percentile
    Yes, taking more than one medicine on regular basis7
    No, not on taking more than one medicine on regular basis7
    Participants: 14
    7 out of 14 users report that they are have received immunization.
    Users Percentile
    Yes, received immunization7
    No, not received immunization7
    Participants: 14
    6 out of 16 users report that they take vitamins or herbal supplements.
    Users Percentile
    Yes, taking supplements6
    No, not taking supplements10
    Participants: 16
    Exercise Frequency
    Users most commonly exercise once a week.
    Users Percentile
    Once a week48
    Twice a week7
    Five times a week7
    Participants: 108
    Exercise Duration
    Users most commonly report that they exercise 'More than 1 hour' each time.
    Users Percentile
    More than 1 hour1
    Less than 30 minutes1
    Participants: 2
    Like Exercising
    Users most commonly report that they enjoy exercising 'Always'.
    Users Percentile
    Participants: 2
    Difficulties in Exercising
    'Time availability' is the most commonly reported difficulty in achieving fitness.
    Users Percentile
    Time availability1
    Losing weight1
    Participants: 2
    Fruits and Vegetables
    Users most commonly report that they eat fruits and vegetables 'Everyday'.
    Users Percentile
    1-3 times per month4
    1-3 times per week1
    Participants: 10
    Healthy Food Choices
    Users most commonly report that they make a healthy food choice 'Always'.
    Users Percentile
    Most of the time5
    Participants: 19
    Eating Out
    Users most commonly report to eat out 'Everyday'.
    Users Percentile
    1-3 times per week3
    Participants: 10
    Fast Food Frequency
    Users most commonly report that they eat fast food '1-3 times per week'.
    Users Percentile
    1-3 times per week3
    1-3 times per month2
    Participants: 6
    Special Diet
    5 out of 14 users report that they are on a special diet.
    Users Percentile
    Yes, on a special diet5
    No, not on a special diet9
    Participants: 14
    Housing Type
    Users most commonly report that they live in a 'House'.
    Users Percentile
    Mobile home1
    Participants: 12
    Own Home
    9 out of 13 users report that they own a home.
    Users Percentile
    Yes, own a home9
    No, do not own a home4
    Participants: 13
    Non-emergency Visits
    Users most commonly report that they go to 'Doctor's Clinic' for their non-emergency health issues.
    Users Percentile
    Doctor's Clinic10
    Participants: 16
    Medicine Source
    Users most commonly report to buy medicine from 'Local pharmacy'.
    Users Percentile
    Local pharmacy8
    Doctor's office1
    Participants: 13


    1. MedlinePlus Fever - Accessed: February 20, 2017.
    2. Mayo Clinic Fever - Accessed: February 20, 2017.
    3. Maayan-metzger A, Mazkereth R, Kuint J. Fever in healthy asymptomatic newborns during the first days of life. Arch Dis Child Fetal Neonatal Ed. 2003;88(4):F312-4 - Accessed: February 20, 2017.
    4. Wikipedia Fever - Accessed: February 20, 2017.
    5. MAYO CLINIC Fever - Accessed: February 20, 2017.
    6. MAYO CLINIC Fever - Accessed: February 20, 2017.
    7. MAYO CLINIC Fever - Accessed: February 20, 2017.
    8. Mayo Clinic Fever - Accessed: February 20, 2017.
    10. Source:

    Last updated date

    This page was last updated on 2/19/2018.
    This page provides information for Fever in English.

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