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Explanation of analyzes

High fever without symptoms in an adult: causes and treatment

High fever without symptoms in adults is a fairly frequent and understandable phenomenon.

Comfortable condition and normal operation of all functions in the body are provided by mechanisms responsible for metabolic processes - regulation of intensity and rate of heat exchange, maintaining the temperature regime in a certain range, regardless of external temperature indices.

Information on temperatura esterna (external) is tracked by thermoreceptors located on the skin and other parts of the body. The internal parameters are controlled by the central thermoreceptive neurons in the anterior hypothalamus, which react to changes in the temperature of the blood. The set benchmark for this servo is the rate indicators.

In response to any signals of violation of the installation mode, there are reactions aimed at restoring normal indices, using an autonomous system, somatic and endocrine.

There is no single definition of the temperature norm, as in the examination, in the majority of healthy patients it varies considerably - from 36 ° C and less, to 37.5 ° C.


Fever is a protective reaction

High fever without symptoms in an adult

Inflammatory processes cause active circulation in the body of special protein substances - pyrogens, which act on the central part of the thermoregulation of the equilibrium of heat production and heat transfer located in the hypothalamus of the brain.

Pyrogens are divided into internal - bacterial, viral and fungal elements, and external - antigen-antibody complexes circulating in blood, hormone-like proteins (interleukins), products of disintegration and inflammation of tumors.

The effect of pyrogen on the temperature center causes disruptions in the installation range, increasing it, which is a kind of protective reaction.

The high temperature creates unacceptable conditions for the development and life activity of pathogenic microbes. The intensive development of interferon, destroying the pathogenic microorganisms, begins. From which it follows that the febrile state helps purify the blood from the "alien" antigens.

In most cases, fever is accompanied by a number of symptoms and its manifestation is understandable and understandable. But there are circumstances in which elevated febrile fever (temperature), according to patients - the only symptomatology.

Causes of high fever without symptoms in an adult

We all know perfectly well that for no specific reason, just like that, nothing happens. But, the long-term symptom-free temperature of 37.2 in adults, causes legitimate questions.

The increase in temperature indicators provokes a number of hidden inflammatory and non-inflammatory nature of the causes. The most frequent, inflammatory nature of the causes are due to:

  1. The presence of infections with a slow chronic course - with dental and ENT diseases, suppurative pathologies in the peritoneum, small pelvis and respiratory system;
  2. Common infections of erased and atypical course - with sepsis , brucellosis and malaria , tifa , or tuberculosis . With the flow of latent infections or constant fatigue and loss of strength, due to infectious mononucleosis;
  3. Autoimmune processes - vasculitis, rheumatoid arthritis, etc.;
  4. Diseases of an allergic nature.

Causes of non-inflammatory nature may be due to:

  1. Diseases of the blood - leukemia, tumor formations, papa-proteinemia states;
  2. Endocrine pathologies, in the form of thyrotoxicosis;
  3. Organic diseases of the CNS - post-traumatic, neoplastic, neuroinfectious pathologies.

The list is quite wide and to determine the true cause the patient has to undergo a survey to exclude many serious pathologies. If they are not identified, this condition is called functional, which is very common in medical practice.

Such a condition as thermoneurosis caused by instability of nervous structures is diagnosed, due to the presence of autonomic dysfunction in the autonomous zone of the nervous system, not connected with the brain.

Provoke a fever - a bad relationship in the family or problems at work, an incorrect, chaotic regime of life or chronic stress.

Often, a long subfebrile condition is observed after cold infections that have been transferred "on the legs". Under such conditions, the body is overstrained, causing a failure of the normal temperature range and an increase in temperature in adults without symptoms of a cold.

In medicine, this is called the "temperature tail", which can last for many months, cause anxiety in patients and a constant desire to identify the cause.

Causes of fever 38 without symptoms in adults

Causes of fever 38 without symptoms in adults

There is no such person who would not have experienced, under any circumstances, the manifestation of febrile fever. But, sometimes there is an increase in the adult temperature to 38 ° C without symptoms and it can last for a long time. Call it can:

  • physical overvoltage;
  • strong stressful experiences;
  • hyperthermia, due to long solar exposure ;
  • digestive disorders;
  • allergic reactions;
  • response to the introduction of vaccines;
  • alcohol poisoning.

If such indicators stay more than three days and continue to increase, this may indicate the development of inflammatory processes in the tissue structures of the cardiovascular system or infarction, inflammatory processes in the kidneys and lungs, as a consequence of the violation of nervous regulation in various systems and organs.

The most unpleasant thing is when such temperature indicators persist for a long time - weeks, months.

This may be a sign of development in the body of tumor formations or neoplastic disorders in the hematopoietic system, endocrine serious pathologies, or diffuse processes in the liver and lungs. In this case, a pronounced symptomatology may not be, but manifest:

  • decline of strength or increased excitability;
  • sharp weight loss;
  • signs of alopecia (hair loss).

Temperature 39 without symptoms

In addition to the typical causes of febrile fever, the frequent cause of 39 ° C without symptoms is due to:

  1. Acute manifestation of meningococcal infection, manifested by temperature jumps before the appearance of the main symptomatology, which manifests itself after a certain time. To bring down a fever independently it is possible not always and for a short while.
  2. Reaction to tumor processes caused by damage and changes in tissue structures.
  3. The manifestation of clinical forms of catarrhal tonsillitis, the temperature at which it rises long before the diffuse hyperemia, swelling or mucopurulent exudate. And also the development of infectious endocarditis, as a consequence of the transferred flu or tonsillitis.
  4. Hypothalamic symptom complex, combining disorders in metabolic, endocrine and vegetative processes. High fever is caused by disturbances in the subcortical center system of the brain and does not show any signs and symptoms. This state can last for many years. The body is able even to get used to it.
  5. Symptoms do not appear even in chronic inflammatory processes in the renal-renal system of the kidneys, and high temperature indices last a very long time.

Useful and dangerous properties of fever

To the question: "Is it necessary to bring down the temperature?" - one can not answer unequivocally. With its febrile manifestation, there is a sharp slowdown in the growth and multiplication of pathogens, while in the case of a hectic fever (40 ° C), their reproduction completely ceases, and the action of antibiotics on the contrary intensifies.

This suggests that with any infectious disease, a fever with high febrile indications contributes to the rapid disposal of the infection.

what to do at a high temperature The immune system is activated, the production of interferon and antibodies is intensified, which fight against foreign bacteria and viruses. Decrease in motor activity with high febrileity, stimulates the body's strengths to successfully fight the disease.

If we start to knock it down, we make it easy for a certain time, but we stop the body from destroying the infection.

But not everything is as good as we would like. High febrile fever is dangerous for the cardiovascular and endocrine system, and if they last for a long time, they experience a big "force-majeure" load.

In addition, cerebral activity suffers, and a strong manifestation of fever contributes to delusional state, the manifestation of seizures and exacerbation of chronic diseases.

It is for these reasons that a safe threshold is set, in which the temperature is not brought down: for adults it is 38.5 ° C, for children - 38 ° C.

High fever without symptoms in adults: what to do?

The first thing to do is go through a clinical and laboratory-instrumental examination, to identify the cause.
With thermoneurosis, elimination of the "temperature tail" is carried out:

  • well-established regimen and a nutritious diet;
  • sedatives soft action;
  • acupuncture and phytotherapy;
  • massage and psychotherapy;
  • technique of yoga and choreography.

Sometimes, after learning the main causative factor of thermoneurosis, in a patient for a few days the pathology self-healing. The main thing is to adjust the patient to recovery.

High febrile temperature is a clear symptom of serious pathology. Self-treatment will only complicate the situation. With chaotic self-selection of drugs, you can destroy one microorganism, but strengthen the action of others.

Only the doctor, having determined the reason, is able to make a competent protocol of treatment.

Lyudmila Abroskina
2017-04-27 15:50:32
Keeps the temperature 38 I ask to write what medicines should be taken. You can not get to the doctor and they do not want to treat us. I drink paracitamol + analgin + suprastin. Recently, in March, I was in hospital.10 days were kept and discharged. What analyzes were not said. And 2 weeks later I fell ill again. Then she recovered and after 3 days she became dizzy, she cured then the temperature appeared. I do not know what to do but want to live. We must educate our grandchildren.

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