What Are Antibiotics? A Complete Guide to Uses, Types, Safety, and Prescription Requirements

Key Takeaways

• Antibiotics treat bacterial infections only, never viral ones.
• The right drug, dose and duration depend on a professional diagnosis.
• Finishing the prescribed course and avoiding leftovers helps prevent resistance.
• Choose a licensed U.S. pharmacy that verifies prescriptions and offers real support.

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Medical Disclaimer

This article is for educational purposes only and is not a substitute for professional medical advice, diagnosis or treatment. Always consult a licensed healthcare provider before starting, changing or stopping any medication. Antibiotics are prescription medicines and should be used only as directed by a qualified prescriber. If you think you are having a medical emergency, call 911 immediately.

Sources and references: U.S. Centers for Disease Control and Prevention (Antibiotic Use and Resistance); World Health Organization (Antimicrobial Resistance); U.S. Food and Drug Administration (prescribing information for amoxicillin); MedlinePlus (National Library of Medicine).