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Doctor insights on: What Causes Viral Infection

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What causes viral meningitis infection?

What causes viral meningitis infection?

Dozens of things: Influenza, parainfluenza, adenovirus, enterovirus, poliovirus, western equine encephalitis, eastern equin encehaplitis virus, st. Louis encephalitis virus, west nile virus, measles virus and varicella zoster virus just to name a few. ...Read more

Dr. Louis Gallia
9 doctors shared insights

Infection (Definition)

Infections are invasions of some other organism (fungus, bacteria, parasite) or viruses into places where they do not belong. For instance, we have normal gut bacteria that live within us without causing problems; however, when those penetrate the bowel wall and enter the bloodstream, ...Read more


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What causes bacterial infections?

What causes bacterial infections?

Any contaminated: Bacteria is present everywhere and some are harmful. Some are transmitted from other people and others from having been in contact with a contaminated object, soil. Or water. The most worrisome type is MRSA often acquired from a hospital stay. ...Read more

Dr. Jay Park Dr. Park
8 doctors agreed:
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What causes viral meningitis?

Dr. Jay Park Dr. Park
8 doctors agreed:
What causes viral meningitis?

A number of viruses: Fairly common ones are enteroviruses, varicella, and mumps virus. ...Read more

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What virus causes throat infection?

What virus causes throat infection?

Many causes: Many sore throats are caused by a viral illness, such as: the common cold, the most common type of viral infection. Infection of the voice box (laryngitis). Mononucleosis (mono, "the kissing disease"), a viral infection that tends to cause a persistent sore throat. Other viral infections, such as mumps, herpangina, or influenza. Can also cause sore throat. ...Read more

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What causes streptococcal infections?

What causes streptococcal infections?

Bacteria: Streptococcus , a bacteria, causes these infections and can lead to serious complications such as rheumatic heart disease which can be permanent, if the strep is untreated with antibiotics. See your doctor if worried about strep. ...Read more

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What causes viral gastroenteritis?

What causes viral gastroenteritis?

Virus: It is a viral infection of the GI tract. It can be picked up from contact with surfaces, foods, living things, etc. That are carrying the virus. The best prevention is frequent hand washing and proper food preparation. ...Read more

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Could leukocytosis cause viral and bacterial infections?

The other way around: Leukocytosis is an abnormally high number of white blood cells in the blood, as measured on a blood test. Both viral and bacterial infections can sometimes cause high numbers of white blood cells (wbc's) or low numbers of wbc's (leukopenia). Unusual leukocytosis, not caused by an infection, can be due to a bone marrow problem such as an early stage of leukemia. A doctor can further evaluate. ...Read more

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What causes bacterica infection?

What causes bacterica infection?

Bacterial invasion: This is a very broad question because there are hundreds of bacteria that cause human infection and there are many causes. In general terms when a pathogenic bacteria can attach to or invade through a surface of the body or intestinal tract or lungs in a susceptable person they can initiate an infection. ...Read more

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What causes yeast infections?

What causes yeast infections?

Candida (overgrowth): Candida is the usual cause of yeast infections in a person. Candida is always in or on our bodies, in small amounts that are invisible. Candida lives with us, normally. It causes symptoms if it invades into parts of our bodies where candida is not supposed to go, or it causes symptoms if it is indeed staying where it should but is overgrowing in large amounts (such as with oral or vaginal thrush). ...Read more

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What causes sinus infections?

Sinus infections: Colds and flues, allergies, deviated nasal septums and even gerd can contribute to sinusitis. If you get frequent infections see your ENT to sort out the causes. Effective treatments are possible... ...Read more

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What causes yeast infection?

What causes yeast infection?

Fungus: Yeasts are microscopic organisms that are a type of fungus. Abnormal overgrowth of these fungi happen in a "yeast infection". This can be triggered by changes in ph (acidity) of the environment / anatomic location or by other factors such as taking antibiotics (which cause altered flora). Decreased immune system function may also be related to yeast infections. Hope that this helps. ...Read more

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What causes yeast infection?

What causes yeast infection?

More than natural: Having more yeast than there naturally should be in a particular part of the body... is what causes a yeast infection. Yeast and fungi are part of our lives on Earth. They are always with us, but when they end up in places or in numbers that are not natural, we call it an infection. Sometimes we call it an overgrowth, if the location is normal but the yeast numbers are too high. ...Read more

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What is systemic viral infection?

What is systemic viral infection?

A pattern: In general a bacteria,like a staph abscess, enters the body and attacks a specific region or site, spreading locally. Viruses usually enter the body through the soft tissue of the oral cavity, eyes or nose.Viruses must enter tissue to survive and reproduce, then spread to the blood where they can quickly spread to all areas of the body, where it can trigger "systemic" symptoms. ...Read more

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What sort of virus causes viral cardiomyopathy?

What sort of virus causes viral cardiomyopathy?

A number: Can. During the winter months, influenza can do it. In the summer months, enteroviruses such as coxsackie can. ...Read more

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What viruses cause congenital infections?

What viruses cause congenital infections?

Many: Many viruses can cause congenital infections. Some classic causes include: Herpes Simplex Virus; Cytomegalovirus; rubella; parvovirus; HIV; varicella; West Nile virus; measles.... Among others. ...Read more

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What causes a sinus infection?

What causes  a sinus infection?

Microbes...: Microbes: most commonly viruses, and occasionally bacteria. ...Read more

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What causes a sinus infection?

What causes a sinus infection?

Lots of things: Anything that clogs the nose can block the sinuses. Common causes of nasal swelling include upper respiratory tract infections (colds) and allergies. Once the sinuses cannot drain, bacteria can accumulate in the sinuses and increase in large enough numbers to cause the symptoms of infection. The bacteria can come from various sources, including the nasopharyx and the adenoids that reside there. ...Read more

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What are other causes of labyrinthitis besides viral and bacterial infections?

What are other causes of labyrinthitis besides viral and bacterial infections?

Surgical trauma: Labyrinthitis by definition is an inflammation of the inner ear. The inner ear has both the organ for hearing (cochlea) and the organs of balance. Bacterial infections of the labyrinth are very rare and life-threatening. The cause of inner ear inflammation is usually viral but can certainly follow middle ear or inner ear surgery. Middle ear infections can also penetrate into the inner ear. ...Read more

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What causes cronic yeast infections?

What causes cronic yeast infections?

Several factors: Several factors can cause chronic yeast infections- 1. Local balance of normal flora is disrupted, typically from the recent user of antibiotics; 2. Impaired immunity- this may be due to steroid use or having other illnesses such as hiv; 3. Misdiagnosis of symptoms in the absence of yeast from testing- adverse drug effects can be mistaken as a yeast infection. Consult your gyn or id specialist. ...Read more

Virus (Definition)

A virus is a small infectious agent that can replicate only inside the living cells of an organism. Viruses can infect all types of organisms, from animals and plants ...Read more


Dr. Heidi Fowler
591 doctors shared insights

Viral Infections (Definition)

Viral infections are common causes of illness. Severity of viral infections can range from minor colds ...Read more