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How does a cold cause nephritis?

2017-02-22 15:13

Some people think that nephritis is the result of a virus that causes a cold to go to the kidneys. In fact, nephritis is not an infectious disease, but an immune disease. The cold itself does not cause nephritis, but the body's response to the cold causes nephritis.

When the cold, the virus invades the human body, the body to identify these foreign (medically known as antigen / hapten), mobilize the defense system (immune system) to produce antibodies, when the antibody and antigen after the formation of immune complexes. In this case, although the elimination of foreign antigens (bacteria or viruses), but the formation of immune complexes will run with the blood circulation to the kidneys, deposition to the kidney tissue, leading to inflammatory cell infiltration, induced inflammatory response, causing nephritis. Of course, not only cold can cause nephritis, other such as tonsillitis, diarrhea, skin abscess and other infections, can be caused by the above mechanism of nephritis.

Clues to clues

Cold-induced nephritis have some characteristics, the patient can understand the early self-discovery! Acute nephritis mostly in the sore throat or upper respiratory tract infection after 1 to 2 weeks of onset, the incidence of performance:

1. different severity of loss of appetite, fatigue, weakness, nausea, vomiting, headache, poor mental and other non-specific symptoms;

2. Urinary volume reduction, color deep and turbid, followed by naked eye hematuria, but the duration is not long, after a few days to mirror hematuria;

3. The vast majority of nephritis patients with proteinuria, the general 2 to 3 weeks after the urine protein can be converted into a small amount or trace, 2 to 3 months and more disappear, and the emergence of persistent proteinuria prompted a change to chronic nephritis may;

4. Epidemic often appear in the more loose parts of the organization, such as the face, especially in the eyelid, the performance of the face and eyelid swelling, followed by lower extremities are also edema;

5. Some patients with high blood pressure and edema often appear, but with the duration of edema is not exactly the same, more than 2 weeks to return to normal.

Acute nephritis generally several days to several weeks of edema gradually subsided, urinary protein and red blood cells also reduced until the disappearance. A small number of patients with symptoms or urine tests did not improve for more than a year, into chronic nephritis.

The elderly suffering from acute nephritis clinical symptoms are not typical, the incidence of occult, early infection history is not obvious, often to anemia, edema, breathing difficulties when the treatment. Young people often take care of the cold, the symptoms are not obvious or even found abnormal, that rest is like, not timely medical treatment, and once the obvious symptoms of the disease has been very serious. Therefore, the face of persistent cold or short-term frequent cold or cold after the emergence of edema, etc., to timely treatment.

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