Skip to content
Epomedicine
Epomedicine

Mnemonics, Simplified Concepts & Thoughts

  • Medical Students
  • Bedside Clinics
  • Case Reports
  • Emergency Medicine
  • Blog
  • Surgical Skills
  • Medical Mnemonics
Epomedicine

Mnemonics, Simplified Concepts & Thoughts

Drug Elimination Kinetics : Mnemonics

Epomedicine, Aug 18, 2024Aug 18, 2024

Last updated on August 18, 2024

drug elimination kinetics
Zero-orderFirst-order
Amount of drug eliminated per unit timeConstant amountConstant fraction (Mnemonic: first = fraction)
Rate of elimination with plasma concentrationIndependentDirectly proportional (greater the drug, greater is elimination)
EliminationCapacity-limited, i.e. liver/kidney are saturated/maxed out on how much they can eliminateFlow-limited, i.e. liver/kidney are not saturated on how much they can eliminate; drug is the rate limiting factor (Mnemonic: first = flow-limited)
t1/2Variable (not fixed)Fixed or constant (Mnemonic: first = fixed)
Clearance (CL)VariableFixed or constant (Mnemonic: first = fixed)
Serum drug concentration (Cp) vs time graphStraight lineCurved line
DrugsMnemonic: Zero WATT PowerMost of the drugs
1. Warfarin
2. Alcohol
3. Theophylline
4. Tolbutamide
5. Phenytoin
  • Facebook
  • Twitter
PGMEE, MRCS, USMLE, MBBS, MD/MS General conceptsPharmacology

Post navigation

Previous post
Next post

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Epomedicine. Drug Elimination Kinetics : Mnemonics [Internet]. Epomedicine; 2024 Aug 18 [cited 2025 Jun 17]. Available from: https://epomedicine.com/medical-students/drug-elimination-kinetics-mnemonics/.

Pre-clinical (Basic Sciences)

Anatomy

Biochemistry

Community medicine (PSM)

Embryology

Microbiology

Pathology

Pharmacology

Physiology

Clinical Sciences

Anesthesia

Dermatology

Emergency medicine

Forensic

Internal medicine

Gynecology & Obstetrics

Oncology

Ophthalmology

Orthopedics

Otorhinolaryngology (ENT)

Pediatrics

Psychiatry

Radiology

Surgery

RSS Ask Epomedicine

  • What to study for Clinical examination in Orthopedics?
  • What is the mechanism of AVNRT?

Epomedicine weekly

  • About Epomedicine
  • Contact Us
  • Author Guidelines
  • Submit Article
  • Editorial Board
  • USMLE
  • MRCS
  • Thesis
©2025 Epomedicine . All rights reserved.