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Impetigo is a common cutaneous infection that is especially prevalent in children. Historically, impetigo is caused by either group A β-hemolytic streptococci or. Impetigo (im-puh-TIE-go) is a common and highly contagious skin infection that mainly affects infants and children. Impetigo usually appears as. Blisters and crusts on a child’s skin are signs of a common skin infection called impetigo, which is extremely contagious. Treatment can cure this infection and.

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Cellulitispoststreptococcal glomerulonephritis [3].

Impetigo – Knowledge for medical students and physicians

Mild cases may be treated mupirocin ointments. Although we have not found any Brazilian studies conducted in recent decades regarding the epidemiology of impetigo, these data are corroborated in studies conducted in different i,petigo, such as United States, Israel, Thailand, Guyana, India, Chile, and Japan.

Bullous impetigo is caused by Staphylococcus aureus, which produces exfoliative toxins, whereas non-bullous impetigo is caused by either Staphylococcus aureusor Streptococcus pyogenes. The act of handwashing, with antiseptic soap or even regular soap, especially amongst children caretakers, severely decreased their chance of acquiring infections such as pneumonia, diarrhea and impetigo. Subcorneal blister with inflammatory cells.

It works by interfering with bacterial cell wall formation. Community-associated methicillin-resistant Staphylococcus aureus and impetigo. Mupirocin acts by inhibiting bacterial protein synthesis, by ompetigo with isoleucyl-tRNA synthetase enzyme, thus preventing the incorporation of isoleucine into protein chains.


These are germs with invasive potential, which can reach several tissular planes, such as the epidermis impetigodermis ecthyma or deeper subcutaneous tissue cellulite.

Pathology Outlines – Bullous impetigo

Cleavage plane is subcorneal or upper granular layer Variable acantholysis Pustule is filled with neutrophils, and bacterial clusters are evident with Gram stain The underlying dermal infiltrate contains a mixed neutrophil and lymphocytes infiltrate; neutrophils may be seen in the spongiotic stratum spinosum.

From Wikipedia, the free encyclopedia. The main etiological agent has varied over time. Humanized in vivo model for streptococcal impetigo.

Support Center Support Center. A dermatologist can often diagnose impetigo by looking at your skin. Topical antibiotics are the treatment of choice for most cases of impetigo. It is active against Gram-positive cocci such ijpetigo staphylococci and streptococci.

Antibiotic treatment typically last 7—10 days, and although highly effective some cases of methicillin resistant S. It is not active against bacteria of the normal cutaneous flora and therefore does not alter the skin’s natural defense.

Sometimes, the overgrowth of these bacteria causes skin diseases, and in other occasions, bacteria that are normally found on the skin can colonize it and cause diseases.

Impetigo Impetigo starts as a red sore that ruptures, oozes for a few days and then forms a honey-colored bulisa. Treatment, however, is recommended. Sideline sports activities while you are contagious: It is less effective in traumatic lesions and those with abscess formation usually caused by anaerobic bacteria and MRSA.


Skin care also plays an important role in clearing impetigo. Craft, N, Lee PK, et al. There is strong evidence on the superiority, or at least the equivalence, of topical antibiotics compared to oral antibiotics in the treatment of localized impetigo.

Bath or shower after every sports workout, practice, and competition. It can also be very helpful.

A rash, sore, or burn also provides a great entry point for the buloss. By treating it, you reduce your risk of developing complications. The bacteria that cause impetigo thrive in warm, humid places, so swimmers also have an increased risk.

DermatologyInfectious disease. Crusted impetigo—vesicles, honey-colored and hematic crusts. There is not enough evidence to recommend alternative medicine such as tea tree oil or honey. Keep blisters and sores covered with gauze bandages and tape.

Wound cleansing with antibacterial washes e. By using this site, you agree to the Terms of Use and Privacy Policy.

Bullous impetigo

Bacterial resistance rate is low, around 0. If this happens, you can develop ecthyma ec-thy-ma. Short nails are less likely to damage the skin.

Bullous impetigo can appear around the diaper region, axillaor neck.