Herpes Zoster – Treatment and Symptoms

Definition of Herpes zoster Herpes zoster – an infection that results from reactivation of the varicella-zoster virus, which lies dormant in the spinal nerve roots after causing chickenpox. The virus can remain dormant for decades; doctors do not know what reactivates it though suspect a combination of aging and stress to the immune system. The infection travels the tract of […]

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Whitlow – Herpes – Definition and Treatment

Definition of Whitlow An infection at the end of the finger, or less commonly the end of a toe, that contains pus and is very painful. The area is inflamed, enlarged, erythematous (reddened), and often oozing. A common cause of whitlow is infection with the herpes simplexvirus (HSV), conveyed to the finger via contact with infectious secretions from oral […]

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HIV / AIDS – Definition

HIV / AIDS Definition An infection with the human immunodeficiency virus (HIV) that ultimately results in the illness acquired immunodeficiency syndrome (AIDS). Though new hiv/aids infections are on the decline in the United States and other industrialized nations, hiv/aids remains endemic on the African continent. Hiv/aids spreads through contact with body fluids such as occurs with sexual contact (vaginal intercourse, anal intercourse, […]

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Hepatitis – Types A, B, C, D – Symptoms and Treatment

Hepatitis Definition Hepatitis – inflammation of the liver. There are numerous kinds and causes. Most hepatitis results from specific viruses that cause infections of the liver, alcohol abuse, and hepatotoxic drugs. Hepatitis is the leading cause of liver failure, and reason for liver transplantation, in the United States. Types of hepatitis Infectious (viral) Hepatitis The viruses that cause viral […]

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Human Papillomavirus (HPV) – Virus, Infection, Symptoms and Cervical Cancer

Human Papillomavirus Definition Human Papillomavirus – a family of more than 100 strains of virus, various strains of which cause common warts, genital hpv infection, and cervical cancer. HPV and Common Warts The strains of HPV that cause common warts are mildly contagious and are more likely to spread to different locations on a person’s body rather […]

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Keratitis – Symptoms, Treatment and Causes

Definition of Keratitis Keratitis is an inflammation of the cornea, usually the result of an infection. The cause of the infection is more commonly viral, such as herpes simplex or herpes zoster, than bacterial. Symptoms Include redness and irritation of the eye and conjunctiva (inner eyelids) discomfort or pain excessive tearing difficulty keeping the eye open diminished visual acuity (usually blurred […]

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Influenza Virus – Symptoms, Treatment and Flu Vaccine

Influenza Definition Influenza is a common and potentially serious viral infection, commonly called the flu, that causes upper respiratory symptoms. Influenza viruses rapidly adapt and mutate, which gives them the perpetual ability to cause illness. There are three types of human influenza virus-influenza A, influenza B, and influenza C. Influenza A viruses are primarily responsible for annual outbreaks […]

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Measles Virus – Symptoms, Course and Treatment

Measles Virus Definition An illness resulting from infection with the measles virus. Once among the most common childhood diseases worldwide, measles (also called rubeola) now primarily exists in developing nations where it remains a leading cause of childhood blindness and death. Routine measles immunization, the standard of care since becoming available in the early 1960s, has […]

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Mononucleosis, Infectious – Symptoms and Treatment

Infectious Mononucleosis Definition An illness that results from infection with the Epstein-barr virus. Infectious mononucleosis is most prevalent among adolescents and young adults though may occur at any age. The infection spreads through contact with saliva; among young people and within families, sharing drinks and food are common means of contracting the illness. The Epstein-Barr virus […]

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Mumps Virus – Symptoms and Treatment

Mumps Virus in Adults and Children – Definition Mumps – An illness resulting from the mumps virus, which primarily infects the salivary glands and may also involve the pancreas, testicles (men), ovarieS (women), and sometimes the kidneys. The mumps virus may also invade the central nervous system, causing neuritis and encephalitis. Since the advent of the mumps vaccine in the early […]

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