38.3 Celsius To Fahrenheit Fever

Fever in adults

Your normal body temperature is approximately 37C. A fever is unremarkably when your body temperature is 37.8C or higher. Yous may feel warm, cold or shivery.

You tin find out if yous have a fever past using a thermometer to accept your temperature.

What causes a fever?

A fever is your body's natural response to many common illnesses such as:

flu
tonsillitis
kidney or urinary tract infections (UTIs)

Fever helps your body fight infections by stimulating your immune system: your trunk's natural defense force. By increasing your trunk's temperature, a fever makes it harder for the leaner and viruses that cause infections to survive.

When to get help

If whatever of the post-obit applies, please contact your GP practice:

you lot take astringent thirst or reduced urine output
you are passing urine that is darker than normal
yous are light-headed or weak
you have new, severe muscle cramps
your symptoms have worsened or you notice new symptoms
y'all've had a fever after recent foreign travel

If your GP do isn't open, phone NHS 24'due south 111 service.

Fever and underlying health issues

Nearly fevers aren't in themselves life-threatening, nevertheless there are sure times where you may demand to seek medical communication.

If any of the post-obit apply to yous and you have a fever, please contact your GP practice immediately:

You are on treatment for immune deficiency
You are on immune-suppressant drugs, such as regular steroids, methotrexate, azathioprine or cyclophosphamide
You are taking medication where y'all have been warned about a chance of a reduced immune arrangement
Yous are on, or recently completed, handling for cancer, leukaemia or lymphoma
You are a transplant recipient
Y'all are HIV positive

Fever and your medical history

If you have a fever and any of the post-obit medical conditions you lot should contact your GP practise immediately.

Chronic lung disease
Asthma which has been treated with medication in the terminal 3 years
Heart disease (excluding blood force per unit area which is currently well controlled)
Diabetes or some other metabolic illness
Chronic gastrointestinal or liver disease
Chronic renal (kidney) disease
Cystic fibrosis
Neurological conditions such equally cerebral palsy, stroke, multiple sclerosis or muscular dystrophy
Sickle cell illness

Treating a fever

Well-nigh fevers will improve of their own accord in a few days. Even so, there are a number of things you lot can do to aid the uncomfortable feelings associated with a fever.

Don't over dress. Habiliment loose comfy vesture and brand sure the room you are in isn't too warm. Yous shouldn't try to make yourself feel cold.
Drink more fluids, avoiding booze as this can make aridity worse. You lot sweat more when you have a fever and drinking water makes sure you won't go dehydrated. You should exist passing urine approximately every 6 hours. A pale yellowish urine means you're unlikely to be dehydrated.
Take a medicine that reduces fever such as paracetamol (unless yous're allergic or have been told by a healthcare professional person that you can't take it).

Fever in children

Fever affects people of all ages, notwithstanding it often affects babies and younger children in response to pocket-size illnesses such every bit:

Coughs
Colds

Find out more nighfever in children.

Fever in adults self-help guide

Self-help guide

Return to Symptoms

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Final updated:
19 May 2022

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