Following is a list of causes or underlying conditions (see also Misdiagnosis of underlying causes of Viral diseases) that could possibly cause Viral diseases includes:
The primary cause of Viral diseases is the result:
To research the causes of Viral diseases, consider researching the causes of these these diseases that may be similar, or associated with Viral diseases:
Causes of Types of Viral diseases: Review the cause informationfor the various types of Viral diseases:
Causes of Broader Categories of Viral diseases: Review the causal information about the various more general categories of medical conditions:
Conditions listing Viral diseases as a symptom may also be potential underlying causes of Viral diseases. Our database lists the following as having Viral diseases as a symptom of that condition:
The following drugs, medications, substances or toxins are some of the possible
causes of Viral diseases as a symptom.
This list is incomplete and various other drugs or substances
may cause your symptoms.
Always advise your doctor of any medications or treatments you are using,
including prescription, over-the-counter, supplements, herbal or alternative treatments.
See full list of 23 medications causing Viral diseases
Causes: Viral diseases:
Viruses are infectious microbes that can be inside or outside cells.
They are little strips of DNA (or RNA) usually wrapped inside a tiny capsule.
Viruses are not even a single cell,
but are a tiny part of a cell, and thus they are much smaller even than bacteria.
Viruses are not alive in the normal sense.
They do not feed, nor do they generate energy or waste products.
Viruses are effectively inert until they attach to a live body cell.
But once they attach, they become alive in a sense.
They enter the cell, breaking open the capsule,
so that their inside contents of DNA or RNA strips enter the cell.
Because this viral DNA looks like normal DNA,
the cell starts to copy it like the cell does to ordinary DNA.
In this way, the body cell is tricked into making many copies of the virus inside the cell.
Eventually, the cell is killed and these newly created viruses are expelled into
the body to infect more cells.
Unlike most bacteria, most viruses do cause disease because they invade
living, normal cells, such as those in the human body. They then multiply
and produce other viruses like themselves. Each virus is very particular
about which cell it attacks. Various human viruses specifically attack
particular cells in the body's organs, systems, or
tissues, such as the liver, respiratory system, or blood
cells. (Source: excerpt from Microbes in Sickness and in Health -- Publications, National Institute of Allergy and Infectious Diseases: NIAID)
The following medical news items are relevant to causes of Viral diseases:
As with all medical conditions, there may be many causal factors. Further relevant information on causes of Viral diseases may be found in:
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