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Antibiotic

/ˌæn.ti.baɪˈɒt.ɪk/ noun Pharmacology
Board Reviewed
Reviewed: Aug 2026
Medical Definition

Antimicrobial agent that selectively inhibits bacterial growth (bacteriostatic) or kills bacteria (bactericidal).

Detailed Medical Explanation

Antibiotic is a key clinical concept in Pharmacology.

Antimicrobial agent that selectively inhibits bacterial growth (bacteriostatic) or kills bacteria (bactericidal).

Clinical Significance

In routine medical evaluation, understanding Antibiotic assists clinicians in differential diagnosis, laboratory interpretation, and patient management.

When to Consult a Physician

If you or a family member exhibit persistent symptoms or abnormal test results related to Antibiotic, consult a board-certified physician or specialist for evaluation.


Clinical Usage & Diagnostic Context

Ineffective against viral infections. Stewardship protocols mitigate antimicrobial resistance (AMR).

Patient-Friendly Explanation

In simple terms, Antibiotic refers to: Antimicrobial agent that selectively inhibits bacterial growth (bacteriostatic) or kills bacteria (bactericidal).

Professional Clinical Context

Clinically, Antibiotic is categorized under Pharmacology. Primary clinical manifestations include: Antimicrobial agent that selectively inhibits bacterial growth (bacteriostatic) or kills bacteria (bactericidal).

Medical Disclaimer

This medical glossary entry is provided for health education and informational purposes only. It does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare professional regarding any clinical condition.

Terminology Metadata
  • Specialty Pharmacology
  • Part of Speech noun
  • Terminology Type medication
  • Etymology & Origin Greek: anti (against) + bios (life)
  • Synonyms & Aliases Antibacterial, antimicrobial drug
Authoritative References

WHO / Medical Literature

Educational / Fair Use
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