Persistent fever in adults.


       Fever is a rapid rise in human body temperature due to certain diseases. Fevers can usually be short-lived.

Prolonged fever in adults can occur when the body encounters a dangerous disease. However, there are still many people who are still subjective about this situation and are only really afraid when there are signs of organ failure in the body.
What does a prolonged fever look like in adults?

Persistent fever is a common medical condition, especially in adults. A fever is considered persistent when it lasts for at least 3 weeks. The patient’s body temperature is always above 38.2 degrees Celsius no matter what time of measurement. Especially despite conducting many clinical and laboratory examinations, it is still difficult to find the exact cause of the fever. So this is an extremely dangerous condition, even life-threatening.

When the fever persists, the patient may also experience the following accompanying symptoms:

– Low blood pressure, rapid breathing, tachycardia.
– Headache, stiff neck, mental dysfunction.
– Muscle pain, spasms may occur.
– Visible loss of appetite, fatigue, pale body.
– Causes of long-term fever in adults

There are many causes of chronic fever. However, there are 4 main groups of causes leading to persistent fever in adults:

1. Infectious diseases.

It is the most common cause of persistent fever in adults. Infections can be divided into several categories with different febrile features:

– Caused by germs: germs cause diseases with prolonged fever symptoms, of which the most dangerous can include typhoid, pulmonary tuberculosis. These diseases are accompanied by many other symptoms depending on the type and condition of the disease.

– Due to parasites: Prolonged fever caused by parasites is often a sign of dangerous diseases such as malaria or intestinal disease. Fever caused by malaria parasites usually manifests as a sudden high fever, which lasts for a period of time. Intestinal fever caused by amoebic dysentery is usually just a mild fever but with chills and lasts for a long time.

2. Immune pathology.

The human body can recover and fight many diseases thanks to a healthy immune system. However, when suffering from diseases that weaken the immune system, the body is easily attacked by viruses and bacteria, causing a long-term fever. The most common and dangerous diseases in this group of diseases are lupus erythematosus and rheumatoid arthritis.

3. Malignant pathology.

Persistent fever can be one of the early manifestations of malignancies. It signals that the body has impaired functions and is facing great risks. Cancers such as blood cancer, liver cancer, lung cancer all cause a fever that persists for a long time before other symptoms appear.

* The danger of low-grade fever persists in the afternoon.

As one of the forms of persistent fever, persistent fevers in the evening are especially dangerous. It is a sign of diseases that affect human life.

* Meningitis tuberculosis:

It is a very dangerous disease. The disease occurs when TB bacteria travel through the bloodstream to attack the brain and meninges. Although it accounts for only 5% of all TB cases, it is the disease causing the highest mortality rate. Patients can also suffer serious complications such as: vegetative, epilepsy, hemiplegia or lower extremities, intellectual disability, etc. High fever due to tuberculous meningitis will last for a long time and especially increase in the evening. accompanied by severe headache, vomiting. However, because the symptoms are easily confused with common illnesses such as the flu, many patients ignore this sign, leading to unpredictable consequences.

* Cancer:

It is one of the leading deadly diseases today. Prolonged fever is a sign of early cancer. It signals the immune system and organs to decline. If you have a persistent fever, headache, and joint pain that cannot be completely cured, you may have a cancer.

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