What is the brand name for Amoxicillin?
The brand name for Amoxicillin is Amoxil.
PTCB TOP 200 · #23
Amoxicillin
Amoxil
Amoxicillin is the generic name for the brand-name drug Amoxil. It is a penicillin antibiotic used to treat bacterial infections. On the PTCE Top 200 drug list, Amoxicillin ranks #23 and is one of the most frequently tested infectious disease medications — commonly quizzed on its brand–generic pair, drug class, and key side effects.
| Generic name | Amoxicillin |
|---|---|
| Brand name(s) | Amoxil |
| Drug class | Penicillin antibiotic |
| Class group | Infectious Disease |
| Common use | bacterial infections |
| DEA schedule | Unscheduled |
| Availability | Prescription only (Rx) |
What is Amoxicillin used for?
Penicillin antibiotic for susceptible bacterial infections (commonly ENT, respiratory, skin, and urinary infections); also used in certain H. pylori regimens with other drugs.
What drug class is Amoxicillin?
Amoxicillin is a Penicillin antibiotic in the Infectious Disease group. Knowing the class is the fastest way to predict its uses, side effects, and the brand↔generic pairs the PTCE tests.
Common side effects of Amoxicillin
- arrow_rightDiarrhea
- arrow_rightNausea
- arrow_rightRash
- arrow_rightVomiting
- arrow_rightYeast infections
Major interactions
- arrow_rightWarfarin: may increase INR/bleeding risk—monitor
- arrow_rightAllopurinol may increase rash risk
- arrow_rightProbenecid increases amoxicillin levels
- arrow_rightMethotrexate: penicillins can reduce clearance (toxicity risk)
Is Amoxicillin a controlled substance?
No. Amoxicillin is not a federally controlled substance (it is unscheduled by the DEA).
How to remember Amoxicillin (PTCE mnemonic)
AMOX-il has the AMmo — amoxi-CILLIN is the broad penicillin. Otitis/strep/UTI; rash with mono, cross-reactivity with cephalosporins.
lightbulb
PTCE exam tip
Amoxicillin is a penicillin, so a penicillin allergy is the key screening question. Don't confuse it with amoxicillin/clavulanate (Augmentin), which adds a beta-lactamase inhibitor.
Amoxicillin FAQ
What is Amoxicillin used for?
Amoxicillin is used to treat bacterial infections. Penicillin antibiotic for susceptible bacterial infections (commonly ENT, respiratory, skin, and urinary infections); also used in certain H. pylori regimens with other drugs.
What drug class is Amoxicillin?
Amoxicillin is a Penicillin antibiotic (Infectious Disease group).
Is Amoxicillin a controlled substance?
No. Amoxicillin is not a federally controlled substance (it is unscheduled by the DEA).
Study guides that cover Amoxicillin
Free, in-depth guides to the patterns behind this drug — no app needed.
Drug suffix cheat sheetthe suffix that gives away this drug's class
How to memorize the Top 200 drugsa method for locking in brand↔generic pairs
descriptionHow to read a prescriptionevery field on a prescription, decoded
Pharmacy math cheat sheetthe five calculation types the PTCE asksSee all PTCE study guides or browse the full Top 200 drug list.
Drill Amoxicillin the way the PTCE asks it
RxReflex turns the Top 200 drugs into fast flashcard rounds, a guided Learn path, pharmacy math, and 40+ cheat sheets. Free to start.
Related drugs in the Infectious Disease group
Last reviewed August 7, 2026. Educational use only — not medical advice. Verify clinical specifics with your pharmacist or a current label source such as DailyMed. RxReflex is not affiliated with or endorsed by the Pharmacy Technician Certification Board (PTCB).