Colds and flu – antibiotics

Antibiotics - colds and flu

Antibiotics DO NOT cure colds and flus.

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Antibiotics fight infections that are caused by bacteria. They do not treat infections that are caused by a virus. Colds and flu are caused by viruses. If you have a viral infection, antibiotics WILL NOT make you better.

The overuse of antibiotics can:

Kill normal ("healthy") bacteria that live in your body. This may cause nausea and diarrhea. Women can get vaginal yeast infections.
Increase the risk of drug-resistant bacterial infections.
Put you at risk of an allergic reaction.

Do not take antibiotics when they will not treat an illness.

References

Husain AN. The lung. In: Kumar V, Abbas AK, Aster JC, eds. Robbins & Cotran Pathologic Basis of Disease. 10th ed. Philadelphia, PA: Elsevier; 2021:chap 15.

Lopez SMC, Williams JV. The common cold. In: Kliegman RM, St. Geme JW, Blum NJ, Shah SS, Tasker RC, Wilson KM, eds. Nelson Textbook of Pediatrics. 21st ed. Philadelphia, PA: Elsevier; 2020:chap 407.

Roginski MA, Atchinson PR. Upper respiratory tract infections. In: Walls RM, ed. Rosen's Emergency Medicine: Concepts and Clinical Practice. 10th ed. Philadelphia, PA: Elsevier; 2023:chap 61.

Review Date: 2/8/2024

Reviewed By: Linda J. Vorvick, MD, Clinical Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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