Upper respiratory infections include the components of the upper airway and are most commonly caused by viruses.
The onset of symptoms occurs 2 to 3 days after exposure to the infectious agent. The illness usually lasts for 7 to 10 days. Nasal congestion, sneezing and sore throat are the hallmarks of the…
Acute gastroenteritis refers to an inflammation of stomach and intestines mainly caused by infection with viral or bacterial agents. Sudden onset of symptoms like abdominal pain, vomiting and diarrhea is characteristic for this condition.
AG may run an asymptomatic, typical or severe course, depending on the overall…
Influenza is acommon infectious disease caused by the Influenza virus.
Onset is sudden with fever, rhinorrhea, sore throat and headache. Severe myalgias coupled with respiratory tract symptoms are typical of influenza. Patients may also have red, watery eyes and cough. There can also be tachycardia and dyspnea…
A urinary tract infection is an infection of one or more structures of the urinary tract. Polyuria and dysuria are common symptoms.
Population at increased risk People who have obstructed urinary tract conditions such as kidney-stone or with a history of having incomplete bladder emptying (spinal cord injury,…
Infectious mononucleosis is a common viral infection known to cause pharyngitis and fever. It is primarily an infection of teenagers and young adults caused by the Epstein Barr virus.
The majority of patients with infectious mononucleosis have mild symptoms. However a few will complain of the following features: Once…
Chronic myeloid leukemia (CML), also known as chronic myelogenous leukemia, is the most common myeloproliferative disorder.
Most of patients with chronic myelogenous leukemia are diagnosed in the chronic phase and then progress to the accelerated and blast phases in 3 to 5 years. The diagnosis of chronic myeloid…
Mycoplasma infection commonly refers to respiratory illness and pneumonia caused by Mycoplasma pneumoniae or to genital tract infection caused by other Mycoplasma species.
Patient may remain asymptomatic or present with following signs and symptoms: Non-productive cough Pharyngitis Low-grade fever Headache…
An abscess is a localized collection of pus in a cavity formed by disintegration of tissues, characteristically caused by staphylococci or streptococci, but also caused by parasites and foreign materials. There are two types of abscesses, septic and sterile. It is frequently associated with swelling, local pain, redness…
A brain abscess or cerebral abscess is formed as a result of an inflammation and infection of the brain parenchyma secondary to remote or contiguous infections.
Patients with brain abscess remain symptomatic for up to 2 weeks in 60% of cases, depending on the severity and the timing of medical intervention. The…
Hepatitis C is an infectious disease caused by the hepatitis C virus. If such an infection persists for more than six months, it is deemed chronic hepatitis C, and this condition bears high risks of liver cirrhosis or malignant degeneration.
An acute stage of hepatitis C infection has been described, but most patients…
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A subfebrile state is marked by a body temperature slightly above normal.