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A stye, also known as a hordeolum, is a bacterial infection of an oil gland in the eyelid. [4] This results in a red tender bump at the edge of the eyelid. [1] [5] The outside or the inside of the eyelid can be affected. [3] The cause of a stye is usually a bacterial infection by Staphylococcus aureus.
The International Classification of Headache Disorders (ICHD) is a detailed hierarchical classification of all headache-related disorders published by the International Headache Society. [1] It is considered the official classification of headaches by the World Health Organization , and, in 1992, was incorporated into the 10th edition of their ...
Hand, foot, and mouth disease (HFMD) is a common infection caused by a group of enteroviruses. [10] It typically begins with a fever and feeling generally unwell. [10] This is followed a day or two later by flat discolored spots or bumps that may blister, on the hands, feet and mouth and occasionally buttocks and groin.
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A chalazion may occur following a stye or from hardened oils blocking the gland. [2] The blocked gland is usually the meibomian gland, but can also be the gland of Zeis. [8] A stye and cellulitis may appear similar. [2] A stye, however, is usually more sudden in onset, painful, and occurs at the edge of the eyelid. [2] Cellulitis is also ...
Foot-and-mouth disease (FMD) or hoof-and-mouth disease (HMD) is an infectious and sometimes fatal viral disease that primarily affects even-toed ungulates, including domestic and wild bovids. [ 1 ] [ 2 ] The virus causes a high fever lasting two to six days, followed by blisters inside the mouth and near the hoof that may rupture and cause ...
Athletes, especially runners, may be more likely to experience toenail involvement. [10] A portion of patients have onychomadesis recurrently without an obvious cause. [11] One of the most frequent causes of single-digit onychomadesis is local damage to the nail bed. [12] When more than one finger is involved, it may indicate a systemic cause. [13]
This is a shortened version of the first chapter of the ICD-9: Infectious and Parasitic Diseases. It covers ICD codes 001 to 139. The full chapter can be found on pages 49 to 99 of Volume 1, which contains all (sub)categories of the ICD-9. Volume 2 is an alphabetical index of Volume 1.