Amoxicillin, Omeprazole, and Rifabutin

Common Brands Amoxil, Trimox/ Prilosec, Prilosec OTC/ Mycobutin
Drug Class
Penicillin Antibiotic/ Proton Pump Inhibitor (PPI)/ Antibiotic
Controlled Substance Classification
Not a controlled medication
Generic Status
Lower-cost generic available
Availability
Prescription only
Robert Chad Hakim, PharmD, BCCCP
Robert Chad Hakim, PharmD, BCCCP
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Medically reviewed by Robert Chad Hakim, PharmD, BCCCP last update on 20/12/2023

Overview

Amoxicillin, omeprazole, and rifabutin are three distinct medications that are commonly used to treat various bacterial infections and related conditions. These medications are sometimes prescribed together, particularly for the treatment of Helicobacter pylori (H. pylori) infections, which can cause ulcers in the stomach and duodenum. Each of these drugs works in different ways to treat infections or manage symptoms, but they are often combined in treatment regimens to enhance efficacy.

Amoxicillin

Amoxicillin is a broad-spectrum antibiotic from the penicillin group of drugs. It acts by inhibiting the growth of bacteria, thus effective against a wide range of bacterial infections, including respiratory infections, urinary tract infections, and H. pylori-related ulcers. Amoxicillin is usually combined with other medications to increase its effectiveness and target resistant strains of bacteria.

Omeprazole

Omeprazole is a proton pump inhibitor (PPI) prescribed for the inhibition of gastric acid production. This occurs due to its blockade action against the proton pumps that cause the release of gastric acid in the stomach lining. The medication works on this principle and minimizes acid production in order to alleviate conditions like GERD, stomach ulcers, and H. pylori infection; it heals ulcers, enhancing the action of antibiotics.

Rifabutin

Rifabutin is an antibiotic commonly used to treat infections by certain bacteria, such as Mycobacterium avium complex (MAC) infections in HIV/AIDS patients. It is a derivative of rifampin, and like other rifamycins, it works by inhibiting bacterial RNA synthesis. It is primarily used to treat or prevent infections in immunocompromised patients and can be part of the treatment regimen for H. pylori when combined with other antibiotics.

DRUG STATUS

Availability

Prescription only

Pregnancy & Lactation

Pregnancy