Hand-foot-and-mouth disease pathophysiology: Difference between revisions
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HFMD begins with a mild [[fever]], poor appetite, [[malaise]] ("feeling sick"), and frequently a sore throat. One or 2 days after the fever begins, painful sores develop in the mouth. They begin as small red spots that blister and then often become ulcers. They are usually located on the tongue, gums, and inside of the cheeks. The skin [[rash]] develops over 1 to 2 days with flat or raised red spots, some with blisters. The [[rash]] does not itch, and it is usually located on the palms of the hands and soles of the feet. It may also appear on the buttocks. A person with HFMD may have only the rash or the mouth ulcers. | HFMD begins with a mild [[fever]], poor appetite, [[malaise]] ("feeling sick"), and frequently a sore throat. One or 2 days after the fever begins, painful sores develop in the mouth. They begin as small red spots that blister and then often become ulcers. They are usually located on the tongue, gums, and inside of the cheeks. The skin [[rash]] develops over 1 to 2 days with flat or raised red spots, some with blisters. The [[rash]] does not itch, and it is usually located on the palms of the hands and soles of the feet. It may also appear on the buttocks. A person with HFMD may have only the rash or the mouth ulcers. | ||
HFMD usually affects infants and children, and is quite common. It is highly contagious and is spread through direct contact with the mucus or feces of an infected person. It typically occurs in small epidemics in nursery schools or kindergartens, usually during the summer and autumn months. | HFMD usually affects infants and children, and is quite common. It is highly contagious and is spread through direct contact with the mucus or feces of an infected person. The disease is not spread from pets. Transmission is by direct contact with nose and throat discharges, saliva, fluid from blisters, or stools of an infected person. Most of the transmission occurs in the first week of illness. It typically occurs in small epidemics in nursery schools or kindergartens, usually during the summer and autumn months. | ||
The time between infection and the development of symptoms is about 3 - 7 days. | |||
==References== | ==References== | ||
Revision as of 15:31, 6 December 2012
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
HFMD usually affects infants and children, and is quite common. It is highly contagious and is spread through direct contact with the mucus or feces of an infected person. It typically occurs in small epidemics in nursery schools or kindergartens, usually during the summer and autumn months.
Pathophysiology
Viruses from the group called enteroviruses cause HFMD (Hand-foot-and-mouth disease). The most common cause is coxsackievirus A16; sometimes, HFMD is caused by enterovirus 71 or other enteroviruses. The enterovirus group includes polioviruses, coxsackieviruses, echoviruses and other enteroviruses.
HFMD begins with a mild fever, poor appetite, malaise ("feeling sick"), and frequently a sore throat. One or 2 days after the fever begins, painful sores develop in the mouth. They begin as small red spots that blister and then often become ulcers. They are usually located on the tongue, gums, and inside of the cheeks. The skin rash develops over 1 to 2 days with flat or raised red spots, some with blisters. The rash does not itch, and it is usually located on the palms of the hands and soles of the feet. It may also appear on the buttocks. A person with HFMD may have only the rash or the mouth ulcers.
HFMD usually affects infants and children, and is quite common. It is highly contagious and is spread through direct contact with the mucus or feces of an infected person. The disease is not spread from pets. Transmission is by direct contact with nose and throat discharges, saliva, fluid from blisters, or stools of an infected person. Most of the transmission occurs in the first week of illness. It typically occurs in small epidemics in nursery schools or kindergartens, usually during the summer and autumn months.
The time between infection and the development of symptoms is about 3 - 7 days.