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High fever with no symptoms in adults

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Fever or rise in temperature is a reaction of our organism to various stimuli. Inflammation, infection, overheating in the sun, hypothermia, or even a strong emotion may cause the thermometer begin to show a lot more familiar 36,6° C.

Most often, a high temperature starts the common cold or flu. But if it lasts for several days, and other symptoms of any disease does not appear, it is very alarming.


When there is acute high fever with no symptoms?

  1. During various purulent and infectious diseases (rickettsial, fungal, bacterial, viral pathology). If initially you do not see any additional symptoms (vomiting, diarrhea, runny nose, cough), then you can start the diagnosis with analysis of the nature of fever:

    • If during the day the temperature rises and then (without the use of fever-reducing) becomes normal, it can be a sign of tuberculosis or abscess (accumulation of pus).

    • If the morning temperature is lower during the day also varies, but the norm does not reach, it is necessary to pass the examination and be tested as this type of fever is for any particular disease is not typical.
    • If the high temperature during the day stays at the same level, then it may be a sign of typhoid or typhus, and several other less common diseases.

    • If temperatures are high for several days, gradually falling, it could be a symptom of:

      • infections of the genitourinary system;

      • of als (also known as a disease of motor neurons, motor neuron disease; in English-speaking countries — the disease Lou GE) is a slowly progressive, incurable degenerative disease of the Central nervous system in which there is a loss of both upper (motor cortex) and lower (anterior horns of the spinal cord and nuclei of cranial nerves) motor neurons that leads to paralysis and subsequentmuscle atrophy.);

      • rat-bite fever (may develop after being bitten by rats);

      • malaria (transmitted by mosquitoes, the risk occurs when travelling in a hot country)

  2. Injuries (fractures, sprains, bruises) and various mechanical damage. Even pain, if not treat the affected area and it will become inflamed, can cause a rise in temperature.

  3. A variety of neoplasms (both benign and malignant). If at high temperature does not appear other symptoms, it is necessary to undergo an examination to diagnose or rule out tumors of internal organs.

  4. Porphyria, goiter, thyrotoxicosis and some other endocrine diseases.

  5. Hemolysis (destruction of RBCs) caused by various reasons.

  6. Heart attacks (myocardial, lung).

  7. Various diseases of the blood (lymphoma, leukemia).

  8. Rheumatoid arthritis, scleroderma, lupus systemic lupus.

  9. Chronic pyelonephritis is characterized by high temperature (from 37 to 38 degrees), which lasts for a long time and not supplemented by any symptoms. Doctors do not recommend to bring down the fever as the body fights infection. If the condition persists longer than two weeks, then you need to go to the reception and screening.

    10. Read more about pyelonephritis and its treatment

  10. Allergic reactions are often accompanied by a slight fever. To make it normalized, it is enough simply to get rid of the source of your allergies and make you Allergy-free, any suitable means (diphenhydramine, claritin, suprastin).

  11. Hypothalamic syndrome also causes a high temperature. The result is that the subcortical apparatus of the brain is not working properly. Other visible symptoms are not observed, but the temperature is kept for years and throw her does not work. Over time, the body simply adapts to this state. To date, medicine has not yet found the causes of disease and methods of treatment. While all limited taking sedative drugs.

  12. Infective endocarditis can develop in the case if you had a serious flu or a sore throat on my feet.The temperature ranges from 37.5 to 40 degrees, the self to do dangerous, so immediately consult your doctor.

  13. Meningococcal disease is a very insidious disease. It takes a long time without obvious symptoms, so treatment often begin too late and the patient could not be saved. One of the first symptoms is a sharp jump in temperature to 40 degrees. To knock it, but it very quickly rises again. When such symptoms immediately call an ambulance.

  14. Mental disorder.

When asymptomatic temperature harmless?

  • you have had too much sun;
  • you are very tired, are stressed, often feel nervous;
  • you suffer from dystonia, which sometimes for no reason at all could jump temperature;
  • during adolescence (especially boys) may develop a syndrome which is called the "growth temperature". Growth is a process accompanied by release of energy, so occasionally can rise asymptomatic is a temperature which does not affect the health.

What to do when the temperature rises without symptoms?

First go to the reception to the therapist. Very often we are simply unable to notice certain symptoms and the doctor they are easy to identify and will be able to diagnose the disease. You must also pass tests that will help to identify many diseases that do not manifest externally. Sometimes your doctor may order a sputum culture, urine or blood, x-ray or ultrasound. Not recommended antipyretic. Removing the symptom, you can postpone the examination and start the disease, which, of course, harms the health.