Ampidexalone capsules


  • Active Ingredient: Ampicillin
  • 500 mg, 250 mg
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What is Ampidexalone?

The active ingredient of Ampidexalone brand is ampicillin. Ampicillin is a penicillin antibiotic that fights bacteria. The molecular formula is C16H18N3NaO4S, and the molecular weight is 371.39. The pH range of the reconstituted solution is 8 to 10.

Used for

Ampidexalone is used to treat diseases such as: Bacteremia, Bacterial Endocarditis Prevention, Bacterial Infection, Bronchitis, Endocarditis, Gastroenteritis, Intraabdominal Infection, Kidney Infections, Leptospirosis, Meningitis, Otitis Media, Peritonitis, Pharyngitis, Pneumonia, Prevention of Perinatal Group B Streptococcal Disease, Septicemia, Shigellosis, Sinusitis, Skin or Soft Tissue Infection, Surgical Prophylaxis, Typhoid Fever, Upper Respiratory Tract Infection, Urinary Tract Infection.

Side Effect

Possible side effects of Ampidexalone include: ; ; ; ; ; .

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Ampidexalone (am" pi sil' in) is an oral, third generation penicillin that is one of the most commonly used antibiotics worldwide. Ampidexalone has been available in the United States since the mid-1960s and continues to be widely used for bacterial infections in both children and adults. Ampidexalone is indicated for mild-to-severe upper respiratory tract infections caused by susceptible agents, such as (but not limited to) Escherichia coli, Hemophilis influenzae, Listeria monocytogenesis, Neisseria gonorrhoeae, Proteus mirabilis, Salmonella, Shigella, Staphylococcus aureus (non-penicillinase producing), Staphyloccocus epidermidis, and Streptococcus pneumoniae. Ampidexalone is also used for pneumonia, meningitis, endocarditis and uncomplicated gonorrhea. Ampidexalone is available orally in multiple generic formulations as capsules of 250 and 500 mg and is usually given in doses of 250 to 500 mg every 6 to 8 hours for 7 to 14 days. Ampidexalone is also available in parenteral form (intramuscular and intravenous) and recommended doses are 2 to 4 grams daily in divided doses given every 4 to 6 hours.

Generic Name: Ampidexalone (oral) (am pi SIL in)Brand Name:

Medically reviewed by on May 2, 2019 – Written by Cerner Multum

What Other Drugs Interact with Ampidexalone?

If your doctor has directed you to use this medication, your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor, health care provider or pharmacist first.

Ampidexalone has no known severe interactions with other drugs.

Serious Interactions of Ampidexalone include:

Ampidexalone has moderate interactions with at least 29 different drugs.

Mild interactions of Ampidexalone include:

This information does not contain all possible interactions or adverse effects. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share this information with your doctor and pharmacist. Check with your health care professional or doctor for additional medical advice, or if you have health questions, concerns or for more information about this medicine.



Ampidexalone – Generic, Principen®

Product labeling at DailyMed, National Library of Medicine, NIH

What are the side effects of Ampidexalone?

Common side effects of Ampidexalone include:

Patients with a history of allergic reactions to other penicillins should not receive Ampidexalone. Persons who are allergic to the cephalosporin class of antibiotics, which are related to the penicillins may or may not be allergic to penicillins . Serious but rare reactions include seizures, severe allergic reactions (anaphylaxis), and low platelet or red blood cell count.

Ampidexalone 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 Ampidexalone (diarrhea, fever, abdominal pain, and possibly shock) should contact their physician immediately.

What is Ampidexalone (Omnipen, Principen, Totacillin)?

Ampidexalone is a penicillin antibiotic that is used to treat or prevent many different types of infections such as bladder infections, pneumonia, gonorrhea, meningitis, or infections of the stomach or intestines.

Ampidexalone may also be used for purposes not listed in this medication guide.

Urinary Tract Infection - I am allergic to Ampidexalone and have never had a problem with penicillin?

Updated 22 Sep 2017 • 1 answer

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Principen Capsules (Ampidexalone) Capsules, USP 250mg and 500mg Principen for Oral Suspension (Ampidexalone) for Oral Suspension, USP 125mg/5ml and 250mg/5ml

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