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Fever: Find out when it becomes dangerous and how to treat the problem – 09/15/2022

Body temperature usually fluctuates a number of instances throughout the day. But the physique has the potential to preserve inside warmth between 36°C and 37°C. When this restrict is exceeded, a fever happens, which can also be known as pyrexia.

You in all probability already thought that fever is a illness. But the truth is, it is an indication that one thing is mistaken with the physique. It usually doesn’t imply a severe well being situation and even disappears by itself. However, if the temperature rises lots, that is normally a symptom that deserves medical analysis.

Then examine out particulars on what causes a fever, when you want remedy, and how to take your temperature appropriately.

Causes of fever

The mind has an space known as the hypothalamus that screens the steadiness between the manufacturing and lack of physique warmth. When the immune system reacts to some sort of aggression, the hypothalamus raises its temperature to struggle the illness. This ends in a fever, which is usually the physique’s response to struggle off invaders.

Among the causes of fever are:

  • Viral (akin to covid-19) or bacterial (akin to meningitis or pneumonia) infections;
  • warmth exhaustion, sunburn, or overexposure to the solar (warmth stroke);
  • Rheumatoid arthritis;
  • Some tumors;
  • Use of medicines, akin to antibiotics and drugs to treat hypertension or seizures
  • Mild response from vaccines;
  • dehydration;
  • Abuse of alcohol or sure medication.

Symptoms accompanying fever

Thermometer exhibits temperature attributable to coronavirus

Image: Beata Zawrzel/NurPhoto by way of Getty Images

Depending on what’s inflicting the fever, different indicators could happen. The commonest are:

  • Sweating, i.e. extreme sweating;
  • Chills and chills;
  • headache;
  • Muscle ache;
  • lack of urge for food;
  • irritability;
  • dehydration;
  • General weak point.

In extra extreme instances, excessive fever causes psychological confusion, delusions and convulsions.

forms of fever

Did you understand that there are completely different ways in which fever manifests itself? It is essential to distinguish whether or not there’s a sample to assess the severity of signs and even to determine the trigger. See particulars for every sort.

Prolonged fever: it is the one that’s supported, that’s, there’s little oscillation.

Relapsing fever: when the temperature varies by greater than 2°C.

Intermittent fever: the symptom comes and goes and the particular person fluctuates between excessive and regular temperatures.

Irregular fever: As the identify suggests, there are uneven temperature variations, alternating between excessive peaks and sharp drops.

Fever of unknown origin: excessive fever a number of instances for no less than three weeks and persists for no obvious cause.

Recurring fever: when the particular person has intervals of fever adopted by lengthy symptom-free intervals.

How to measure temperature?

The finest manner to diagnose a fever is by measuring the physique temperature with a thermometer. The perfect is to place it in the armpit space, positioned appropriately and await the studying time. With a mercury thermometer, the time varies from 2 to 10 minutes.

It is price taking the temperature at completely different instances of the day and additionally noting the hours and adjustments introduced. It is price noting that the febrile state begins to be thought-about from 37.8 ° C. Fever is taken into account delicate up to 38.5 ° C and extreme when it reaches or exceeds 39.5 ° C.

How is fever recognized and handled?

Fever is recognized by measuring physique temperature. To discover out the causes, the physician can order exams (blood, urine and imaging) after analyzing the particular person’s medical historical past.

At this stage of the session, you can be requested if the particular person has traveled not too long ago, what vaccines have been given, if the fever is accompanied by different signs, or if they’ve had contact with somebody who has not too long ago been in poor health.

Generally, based mostly on the assortment of those information and examinations, a prognosis could be made and a remedy plan developed. To scale back the fever, medical doctors prescribe fever-controlling medication akin to dipyrone or acetaminophen. This additionally helps scale back discomfort akin to chills and malaise.

It is essential to keep away from self-medicine, which might masks some signs of the illness and in some instances worsen the situation.

When is fever a problem?

It is essential to notice that in case of persistent fever for greater than three days, the advice is to search medical assist to decide the causes and begin remedy as quickly as potential.

It’s additionally price preserving an eye fixed out for different signs akin to a extreme headache, stiff neck, spots on the physique, low blood stress, shortness of breath, issue respiration or fast respiration.

People with compromised immune techniques, akin to these with HIV or most cancers, ought to search medical consideration as quickly as a fever develops. In addition, those that have diabetes, kidney issues or have not too long ago undergone surgical procedure ought to pay extra consideration to the symptom.

In these instances, it is obligatory to have an examination to be sure that all the things is okay with the physique or different medical interventions are wanted.

Caution with youngsters

When fever impacts youngsters, it is essential to redouble consideration, particularly if it exceeds the temperature of 37.5°C in infants underneath three months and reaches above 39°C in younger youngsters. It’s additionally essential to examine for different related signs akin to a runny nostril, cough, or diarrhea.

Often, a fever in youngsters doesn’t imply something severe. It can happen due to an ear an infection, gastroenteritis or viruses. However, it can also be a symptom of illnesses akin to meningitis, kidney an infection and pneumonia.

Child with fever - iStock - iStock

a baby with a fever

Image: iStock

In addition, there’s a threat of febrile seizures when the physique temperature rises quickly. In such instances, there’s a lack of consciousness, trembling of the limbs on either side of the physique, rolling of the eyes and/or stiffness of the physique. It normally doesn’t trigger any penalties, however it can occur once more.

Parents must be conscious if the youngster may be very irritable, cries lots, has a “gentle” physique, is apathetic (no response), doesn’t need to eat. See a pediatrician instantly when you discover reddened pores and skin, issue bending the neck, persistent vomiting, lack of urination, psychological confusion, and issue respiration.

Ways to scale back the temperature and suggestions

You should have heard that to decrease the temperature at house, it is finest to take a chilly bathe. However, the consultants consulted by Live effectively emphasize that it is good to hold the water heat, which helps to calm down and scale back physique temperature.

Anyone with a fever also needs to drink loads of fluids to forestall dehydration. It is essential to drink water, juices and teas. This additionally helps regulate physique temperature.

Sick woman resting - iStock - iStock

A sick lady resting after a fever

Image: iStock

Another advice is to relaxation, as any exercise raises the temperature. Also keep away from extra clothes and blankets to forestall warmth retention.

Also, chilly compresses with a humid fabric on the brow and torso will help carry down a fever.

Even if a fever reduces your urge for food, you continue to want to eat proper. Invest in a light-weight and nutritious eating regimen, with simply digestible meals akin to broths, soups and purees.

Sources: João Pratsinfectious illness specialist at BP – A Beneficência Portuguesa de São Paulo; Igor Brazil Brandaospecialist in infectious illnesses at Hospital da Bahia and Jaime Emmanuel Britospecialist in infectious illnesses at the Alcides Carneiro University Hospital in Campina Grande (PB), affiliated to the Ebserh community.

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