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Questions and Answers
Which bacterial infection is usually caused by group A streptococci?
Which bacterial infection is usually caused by group A streptococci?
- Impetigo
- Cellulitis
- Folliculitis
- Erysipelas (correct)
What are the clinical features of bacterial skin infections?
What are the clinical features of bacterial skin infections?
- Headache and dizziness
- Fever, warmth, redness, tenderness, swelling, and enlarged and tender lymph nodes (correct)
- Nausea, vomiting, and diarrhea
- Chest pain and shortness of breath
What is the treatment goal for bacterial skin infections?
What is the treatment goal for bacterial skin infections?
- Relieving pain, controlling the infection, and treating predisposing infections (correct)
- Reducing the risk of recurrence
- Preventing the spread of infection to others
- Eliminating all bacteria from the body
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Study Notes
- Common bacterial skin infections include cellulitis, erysipelas, impetigo, folliculitis, furuncle, and carbuncles.
- Cellulitis and erysipelas are caused by bacterial infections and result in inflammation of the subcutaneous tissue and skin.
- Cellulitis is usually caused by Streptococcus pyogenes or Staphylococcus aureus, while erysipelas is usually caused by group A streptococci.
- Clinical features include fever, warmth, redness, tenderness, swelling, and enlarged and tender lymph nodes.
- Treatment goals include relieving pain, controlling the infection, and treating predisposing infections.
- Non-pharmacologic treatments include bed rest, warm compresses, and elevation of affected limbs.
- Mild cases of cellulitis can be treated on an outpatient basis with beta-lactam antibiotics.
- Severe cases may require hospital admission and treatment with crystalline penicillin.
- Alternatives to beta-lactam antibiotics include cephalexin and erythromycin.
- Children with facial or periorbital cellulitis should be provided with coverage for Haemophilus.
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