Common Skin Infections and Pathogens

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What is a common symptom of folliculitis?

Bleeding

Mildly itchy pustules on an erythematous base (correct)

Numbness

Swelling

What is the most common causative pathogen of infective folliculitis?

Streptococcus pyogenes (correct)

Pseudomonas aeruginosa

Malassezia yeasts

Herpes simplex virus

Where does folliculitis commonly occur?

Legs and arms

Neck and buttocks (correct)

Back and shoulders

Hands and feet

What is the recommended treatment for mild forms of folliculitis?

Warm compresses Signup and view all the answers

What should be done if Pseudomonas aeruginosa is confirmed as the causative pathogen?

Identify and avoid contact with the water source Signup and view all the answers

What are boils (furuncles) associated with?

Hair follicles Signup and view all the answers

What is the recommended topical preparation for S. Aureus infection?

Mupirocin 2% ointment or cream twice daily for 5 days Signup and view all the answers

What is the main cause of sterile folliculitis?

Maceration due to contact with occlusive substances and shaving Signup and view all the answers

Which pathogen is usually acquired from contaminated water supplied in hot tubs and spas?

Pseudomonas aeruginosa Signup and view all the answers

What is the likely pathogen involved in ringworm?

Dermatophyte fungi Signup and view all the answers

What should be done if a patient has severe cases of folliculitis?

Take a bacterial swab for cultures and susceptibility Signup and view all the answers

Which bacterium is commonly associated with folliculitis, boils, and carbuncles?

S.Aureus Signup and view all the answers

Which layer of the skin is involved in erysipelas infection?

Dermis Signup and view all the answers

Which classification of bacterial skin infections involves abscess formation?

Abscess formation Signup and view all the answers

What antiviral treatment should be prescribed for a patient seen within 72 hours of the onset of vesicles/rash?

Famciclovir 250 mg orally, 8-hourly for 7 days Signup and view all the answers

What type of infection involves both anaerobes and aerobes, usually mixed pathogens?

Necrotizing fasciitis Signup and view all the answers

What is the recommended action if a patient has ocular involvement ophthalmic herpes zoster?

Refer to ophthalmologist Signup and view all the answers

How many times a day should lesions be bathed with saline to remove crusts and exudate?

Three times a day Signup and view all the answers

What is the common pathogen responsible for impetigo in non-remote communities?

Staphylococcus aureus Signup and view all the answers

Which type of impetigo is characterized by small vesicles or pustules that develop into thin-walled bullae which rupture easily?

Bullous impetigo Signup and view all the answers

Which infection is associated with the development of honey-colored crusts over superficial vesicular lesions?

Crusted or non-bullous impetigo Signup and view all the answers

Where do the lesions of crusted or non-bullous impetigo predominantly occur in infants and children?

Face, legs, and arms Signup and view all the answers

What is the main difference between herpes simplex virus (HSV) type 1 and type 2 infections?

Type 1 is mainly associated with facial infections, while type 2 is mainly genital. Signup and view all the answers

How are herpes simplex virus (HSV) infections typically spread?

Through direct contact with infected secretions. Signup and view all the answers

How is the diagnosis of HSV infection usually confirmed?

Microbiologically, if in doubt about clinical diagnosis. Signup and view all the answers

What are the typical clinical manifestations of HSV infections?

Clustered vesicles on an erythematous base with itching or burning. Signup and view all the answers