amoxicillin (Amoxil, Moxatag, Larotid)

  • Pharmacy Author:
    Omudhome Ogbru, PharmD

    Dr. Ogbru received his Doctorate in Pharmacy from the University of the Pacific School of Pharmacy in 1995. He completed a Pharmacy Practice Residency at the University of Arizona/University Medical Center in 1996. He was a Professor of Pharmacy Practice and a Regional Clerkship Coordinator for the University of the Pacific School of Pharmacy from 1996-99.

  • Medical and Pharmacy Editor: Jay W. Marks, MD
    Jay W. Marks, MD

    Jay W. Marks, MD

    Jay W. Marks, MD, is a board-certified internist and gastroenterologist. He graduated from Yale University School of Medicine and trained in internal medicine and gastroenterology at UCLA/Cedars-Sinai Medical Center in Los Angeles.

What is amoxicillin (Amoxil, Moxatag, Larotid)?

Amoxicillin belongs to a class of antibiotics called penicillins. Other members of this class include

  • ampicillin (Unasyn),
  • piperacillin (Pipracil),
  • ticarcillin (Ticar), and
  • several others.

What brand names are available for amoxicillin?

  • Amoxil, Moxatag, and Larotid are brand names available for amoxicillin in the US.
  • Dispermox, Trimox, Wymox, Utimox, and Polymox are discontinued brands and are no longer available in the US.

Is amoxicillin (Amoxil, Moxatag, Larotid) available as a generic drug?

Yes

Do I need a prescription for amoxicillin (Amoxil, Moxatag, Larotid)?

Yes

Why is amoxicillin (Amoxil, Moxatag, Larotid) prescribed to patients?

What are the side effects of amoxicillin (Amoxil, Moxatag, Larotid)?

People who are allergic to the cephalosporin class of antibiotics, which are related to the penicillins, for example, cefaclor (Ceclor), cephalexin (Keflex), and cefprozil (Cefzil), may or may not be allergic to penicillins.

Serious but rare reactions include:

Amoxicillin can alter the normal bacteria in the colon and encourage overgrowth of some bacteria such as Clostridium difficile which causes inflammation of the colon (pseudomembranous colitis). Patients who develop signs of pseudomembranous colitis after starting amoxicillin (diarrhea, fever, abdominal pain, and possibly shock) should contact their physician immediately.

Medically Reviewed by a Doctor on 11/8/2016

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