PharmBitPharmBit
Why it worksHow it worksFeaturesBlogFAQ
Get the app
Why it worksHow it worksFeaturesBlogFAQGet the app
Blog — Tag

drug stems.

What does -prazole mean?
Mechanisms, explained simply10 min read

What does -prazole mean?

The -prazole stem marks a proton pump inhibitor. Why irreversible binding makes the effect outlast the drug, why dosing is before food, and the CYP2C19 trap.

What do -azepam and -azolam mean?
Mechanisms, explained simply10 min read

What do -azepam and -azolam mean?

The -azepam and -azolam stems mark benzodiazepines. Why frequency rather than duration of channel opening makes them safer than barbiturates, and which are safe in liver disease.

What does -dipine mean?
Mechanisms, explained simply10 min read

What does -dipine mean?

The -dipine stem marks a dihydropyridine calcium channel blocker acting on vessels rather than the heart. Why that causes ankle oedema and reflex tachycardia.

What does -terol mean?
Mechanisms, explained simply10 min read

What does -terol mean?

The -terol stem marks a beta-2 agonist. Why the same receptor causes bronchodilation, tremor and low potassium, and why a long-acting one is never used alone in asthma.

What does -floxacin mean?
Mechanisms, explained simply10 min read

What does -floxacin mean?

The -floxacin stem marks a fluoroquinolone inhibiting DNA gyrase. Why tendon rupture, QT prolongation and the chelation interaction all follow from the class.

Mycin vs micin: one letter, two organisms
Exam traps: X vs Y9 min read

Mycin vs micin: one letter, two organisms

The endings mark the organism that produced the antibiotic, not how it works. Why gentamicin and erythromycin are spelled differently and share nothing else.

Drug suffixes in pharmacology: what stems tell you
How to study10 min read

Drug suffixes in pharmacology: what stems tell you

Stems are assigned by mechanism, so -olol, -pril and -sartan predict the target before you memorise anything. How the system works and exactly where it stops.

← All posts

PharmBitPharmBit

PharmBit breaks pharmacology into focused bits: short lessons, practice questions, and review that sticks past exam day. Built with pharmacists, for pharmacy, medical, nursing and biomedical students.

Product

  • Why it works
  • How it works
  • Features
  • FAQ

Resources

  • Practice quiz
  • Tools
  • Learn
  • Exam prep

Company

  • About
  • Blog
  • Regions
  • Contact

Legal

  • Privacy
  • Terms
  • Medical disclaimer
  • Delete account

For study only. Never a substitute for clinical judgement or local prescribing guidance.

© 2026 PharmBit. All rights reserved.