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Actinomycetales Infectious Disease C0001255

Published: July 22, 2026Updated: August 27, 2026

An infectious disease caused by bacteria from the order Actinomycetales, a group that includes several pathogenic species. Can affect various organs and tissues. Treatment usually requires prolonged antibiotic therapy specific to the causative organism.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 27, 2026Editorial policy

Key facts at a glance

ICD-10
B99.9
ICD-11
1A00.0
Body system
infectious
Severity
moderate
Chronic
false

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Brain abscess

Draining sinus tracts

(integumentary)

Fever or malaise

(infectious)

Noticeable symptoms that may vary in intensity over time.

Frequency: Varies

Pulmonary infiltrates

(respiratory)

Cervical lymphadenitis

(musculoskeletal)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Antibiotic therapy

Long-term antibiotic treatment targeting the bacterial infection, typically requiring 6-12 months of therapy for complete resolution.

medication
2

Antimicrobial or antiviral therapy

Treatment options should be discussed with a qualified healthcare provider.

lifestyle

Additional treatment options

Incision and drainage

Surgical drainage of abscesses or infected tissue when antibiotics alone are insufficient to control the infection.

surgical

Clinical follow-up

Regular monitoring through imaging and laboratory tests to assess treatment response and detect any complications or recurrence.

monitoring

Immune system support

Adequate rest, stress management, and avoidance of immunosuppressing factors to support the body's natural defense mechanisms during recovery.

lifestyle

Nutritional support

Balanced diet rich in protein and micronutrients to support tissue healing and immune function during extended antibiotic therapy.

dietary

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Medication Comparisons

Compare medications used to treat Actinomycetales Infectious Disease C0001255. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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 27, 2026. · Read our editorial policy