Bacteria and the skin: clinical practice and therapy update
1Department of Dermatology, Marselisborg Hospital, University of Aarhus, Denmark.
The British Journal of Dermatology
|February 17, 1999
Summary
The rise of multiresistant bacteria necessitates proper antibiotic use, especially in dermatology. Understanding bacterial toxins and their role in skin inflammation is crucial for effective treatment and avoiding adverse effects.
Area of Science:
- Dermatology
- Microbiology
- Infectious Diseases
Background:
- Multiresistant bacteria are a growing global health concern, causing many hospital infections.
- Antibiotic resistance necessitates judicious use by all physicians, including dermatologists.
- Bacterial toxins, such as superantigens, may play a role in skin inflammation.
Purpose of the Study:
- To provide updated information on skin bacteriology.
- To review the role of superantigens in chronic skin diseases.
- To offer guidelines on topical and systemic antibiotic therapy and the risks of misuse.
Main Methods:
- Literature review on skin bacteriology and antibiotic use.
- Analysis of the role of bacterial toxins in skin inflammation.
- Compilation of clinical guidelines for antibiotic therapy in dermatology.
Main Results:
- Multiresistant bacteria are a significant cause of infections, demanding careful antibiotic selection.
- Bacterial toxins may exacerbate immune responses in common skin conditions like psoriasis and atopic dermatitis.
- Improper antibiotic use carries significant risks.
Conclusions:
- Prudent antibiotic stewardship is essential to combat rising resistance.
- Dermatologists must be aware of bacterial virulence factors and appropriate treatment strategies.
- Updated knowledge on skin bacteriology and antibiotic guidelines is vital for patient care.
Related Concept Videos
Skin Diseases and Disorders
Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
Defense Against Bacterial Pathogens
The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
The Skin Microbiota
The human skin serves as a complex ecosystem inhabited by a diverse community of microorganisms, including bacteria, fungi, and viruses. This microbiome plays a critical role in maintaining skin health and defending against pathogenic invaders. The composition of microbial communities varies significantly across different regions of the body, influenced primarily by the local levels of moisture and sebum.Regional Variation in Skin MicrobiotaCutibacterium acnes predominantly colonizes sebaceous...
Staphylococcal Skin Infections
Staphylococcus aureus is a Gram-positive coccus that resides harmlessly on the skin and mucous membranes of healthy individuals. When the skin barrier is breached, it can shift from a commensal to an opportunistic pathogen. This transition is facilitated by surface adhesins, such as clumping factor B and S. aureus surface protein G (SasG), which bind to structural proteins, including loricrin and cytokeratin, in the damaged epidermis. Protein A, another key factor, binds the Fc region of...
Acne Infection
Acne is a multifactorial skin condition primarily affecting adolescents and young adults, with a global prevalence estimated to exceed 75% in this demographic. The condition is characterized by the formation of comedones (blackheads and whiteheads), papules, pustules, nodules, and, in severe cases, cysts, particularly in areas rich in sebaceous glands such as the face, neck, chest, and back. The pathogenesis involves increased sebum production, follicular hyperkeratinization, colonization by...
Clinical Significance of Antibiotic Resistance
Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within the One...


