Gram-negative rosacea
Gram-negative rosacea
Gram-negative rosacea (pronunciation: /græm-'nɛgətɪv roʊ'zeɪʃə/) is a subtype of rosacea, a chronic skin condition characterized by facial redness and sometimes pimples.
Etymology
The term "Gram-negative" is derived from the Gram stain method, named after the Danish bacteriologist Hans Christian Gram, who developed this technique in 1884. In this context, "Gram-negative" refers to the inability of certain bacteria to retain the violet crystal violet dye used in Gram's method. "Rosacea" comes from the Latin word "rosaceus", meaning "rose-colored".
Definition
Gram-negative rosacea is a rare and severe form of rosacea that is resistant to standard treatments and is often associated with the overgrowth of Gram-negative bacteria. This condition is characterized by persistent facial redness, swelling, and the presence of pustules and nodules.
Symptoms
The symptoms of Gram-negative rosacea include:
- Persistent facial redness
- Swelling
- Pustules
- Nodules
- Eye irritation
Causes
The exact cause of Gram-negative rosacea is unknown. However, it is believed to be associated with the overgrowth of certain types of Gram-negative bacteria, such as Bacillus oleronius and Helicobacter pylori. Other factors that may contribute to the development of this condition include genetic predisposition, environmental factors, and immune system abnormalities.
Treatment
Treatment for Gram-negative rosacea typically involves a combination of oral and topical antibiotics to target the overgrowth of Gram-negative bacteria. In severe cases, isotretinoin may be used. It is important to note that treatment should be individualized, as what works for one person may not work for another.
Related Terms
External links
- Medical encyclopedia article on Gram-negative rosacea
- Wikipedia's article - Gram-negative rosacea
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