Group B Streptococcal Infection C2020625
A bacterial infection most serious in newborns and immunocompromised individuals. It can cause bloodstream infections, pneumonia, and meningitis. Antibiotic treatment is essential, and prevention is key in pregnancy.
Key facts at a glance
- ICD-10
- B99.9
- ICD-11
- 1A00.0
- Body system
- infectious
- Severity
- severe
- Chronic
- false
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Meningitis
Fever
(systemic)Fever or malaise
(infectious)Significant symptoms that substantially affect daily functioning.
Frequency: Varies
Skin inflammation (cellulitis)
(integumentary)Pneumonia
(respiratory)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Antibiotic therapy (Penicillin G or Ampicillin)
First-line treatment involves intravenous penicillin G or ampicillin, often combined with an aminoglycoside for synergy in severe infections. Treatment duration typically ranges from 10-14 days depending on infection site and patient response.
Antimicrobial or antiviral therapy
Active treatment with regular monitoring by a healthcare provider is recommended.
Additional treatment options
Clinical observation and laboratory monitoring
Close monitoring of vital signs, inflammatory markers (CBC, CRP), and organ function is essential during acute infection. Serial cultures help confirm bacterial clearance and guide treatment duration.
monitoringSupportive care and symptom management
Supportive measures including fluid management, fever control, and management of complications such as meningitis or pneumonia. Pain management and respiratory support may be necessary depending on infection site.
medicationInfection prevention practices
Implementation of hygiene measures including hand washing, proper wound care, and avoidance of exposure to contaminated environments. Education on early signs of infection for high-risk individuals.
lifestyleDiagnostic testing and culture-guided therapy
Proper specimen collection for culture and sensitivity testing guides targeted antibiotic selection. Blood cultures, wound cultures, or CSF analysis may be necessary depending on clinical presentation.
procedureWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Group B Streptococcal Infection C2020625?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
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View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy