Category
Pharmacology
Medicines, routes and dosing terminology.
Subcategories
Absorption, distribution, metabolism, excretion and dosing.
PharmacodynamicsReceptors, agonists, antagonists and dose-response relationships.
Adverse Reactions and InteractionsSide effects, allergy, enzyme induction and drug interactions.
Cardiovascular PharmacologyAntihypertensives, antiarrhythmics, anticoagulants and lipid drugs.
Neurological and Psychiatric PharmacologyAntiepileptics, antidepressants, antipsychotics and Parkinson drugs.
AntimicrobialsAntibiotics, antivirals, antifungals and resistance.
Analgesia and AnaesthesiaOpioids, NSAIDs, local and general anaesthetic agents.
Endocrine and Metabolic PharmacologyDiabetes drugs, steroids, thyroid and bone agents.
Respiratory and Gastrointestinal PharmacologyBronchodilators, acid suppression, laxatives and antiemetics.
Chemotherapy and ImmunosuppressionCytotoxics, biologics and transplant drugs.
Toxicology and AntidotesPoisoning syndromes, overdose management and specific antidotes.
Entries in Pharmacology
Block angiotensin II, with cough from bradykinin
A memory aid for the uses, side effects and monitoring of ACE inhibitors.
Proton pump inhibitors, H2 antagonists and antacids
A memory aid for the drugs reducing gastric acid.
Alpha-1 vasoconstricts, beta-1 stimulates the heart, beta-2 vasodilates
A memory aid for the cardiovascular actions of each adrenoceptor subtype.
ABCDE: Augmented, Bizarre, Chronic, Delayed, End of treatment
A mnemonic for classifying adverse drug reactions.
Agonists activate, antagonists block, partial agonists do both depending on context
A memory aid for the types of receptor ligand.
CAGE: Cut down, Annoyed, Guilty, Eye opener
A mnemonic for the CAGE screening questions and the dependence features.
Long acting benzodiazepine plus thiamine, with seizure and delirium risk
A memory aid for treating alcohol withdrawal.
Concentration-dependent killing with a post-antibiotic effect, allowing once daily dosing
A memory aid for the safe use of gentamicin.
Lungs, liver, thyroid, eyes, skin and nerves
A memory aid for the organ toxicity and monitoring of amiodarone.
Adrenaline intramuscularly into the anterolateral thigh, immediately
A memory aid for recognising and treating anaphylaxis.
Adenosine for supraventricular tachycardia, amiodarone broadly, digoxin for rate control
A memory aid for choosing antiarrhythmic drugs by arrhythmia.
Cell wall, protein synthesis, nucleic acid and folate synthesis
A memory aid for the targets of the antibiotic classes.
Surgical, medical and post-exposure indications
A memory aid for when antibiotic prophylaxis is indicated.
Enzymatic destruction, target alteration, reduced entry and efflux
A memory aid for how bacteria become resistant.
Susceptible, intermediate or resistant, defined against a breakpoint
A memory aid for reading a sensitivity report and the resistance mechanisms behind it.
Each class has a signature adverse effect
A memory aid for the characteristic toxicity of each antibiotic class.
Gram positive, Gram negative, anaerobic and atypical cover
A memory aid for which antibiotics cover which organisms.
Many drugs each contribute a little, and the total predicts harm
A memory aid for the cumulative effect of anticholinergic drugs.
Warfarin blocks vitamin K, heparin activates antithrombin, DOACs block Xa or thrombin
A memory aid for how the anticoagulants work and are monitored.
SSRIs, SNRIs, tricyclics and MAO inhibitors
A memory aid for the antidepressant classes and their distinguishing features.
Each major poison has a specific antidote acting by a defined mechanism
A memory aid for the specific antidotes and their poisons.
Choose the drug by the receptor pathway driving the nausea
A memory aid for matching antiemetics to the cause of vomiting.
Sodium channel blockade, GABA enhancement or calcium channel blockade
A memory aid for how anticonvulsants work and their key toxicities.
Antifungals target ergosterol or the cell wall; antivirals target viral enzymes
A memory aid for the targets of antifungal and antiviral drugs.
ACE inhibitors, calcium channel blockers, thiazides, then spironolactone or beta blockers
A memory aid for the main antihypertensive drug classes and their side effects.
Folate, thymidylate, purine and ribonucleotide reductase pathways
A memory aid for where antimetabolite drugs act.
Start Smart Then Focus
A mnemonic for the principles of responsible antibiotic prescribing.
Aspirin blocks thromboxane, clopidogrel blocks ADP, abciximab blocks GPIIb/IIIa
A memory aid for the antiplatelet classes and their targets.
Extrapyramidal effects with typicals, metabolic effects with atypicals
A memory aid for the adverse effects of antipsychotics.
RIPE: Rifampicin, Isoniazid, Pyrazinamide, Ethambutol
A mnemonic for the first line antituberculous drugs and their toxicity.
Resuscitate, identify, decontaminate, give an antidote, enhance elimination
A memory aid for the general management of poisoning.
Beta-2 agonists, antimuscarinics, corticosteroids and leukotriene antagonists
A memory aid for the classes of inhaled respiratory drug.
GABA-A enhancement giving anxiolysis, sedation, anticonvulsant and muscle relaxant effects
A memory aid for the benzodiazepines and their clinical uses.
Cardioselective agents spare beta-2 receptors; non-selective agents do not
A memory aid for the differences between beta blockers.
All inhibit cell wall synthesis, differing in spectrum and stability
A memory aid for the penicillins, cephalosporins and carbapenems.
The fraction of a dose reaching the systemic circulation unchanged
A memory aid for bioavailability and the routes that avoid the liver.
Bisphosphonates, denosumab, teriparatide and romosozumab
A memory aid for the drugs used in osteoporosis.
Dihydropyridines act on vessels, non-dihydropyridines on the heart
A memory aid for the two classes of calcium channel blocker.
Carbon monoxide blocks oxygen carriage; cyanide blocks its use
A memory aid for the two classic poisonings of fire and smoke.
Ion channel, G protein coupled, enzyme linked and intracellular receptors
A memory aid for the main types of cell surface receptor.
Neutropenic sepsis, tumour lysis, spinal cord compression and hypercalcaemia
A memory aid for the acute complications of cancer treatment.
Half-life depends on both clearance and volume of distribution
A memory aid for the relationship between clearance, volume and half-life.
PT tests the extrinsic pathway, APTT the intrinsic, both the common
A memory aid for interpreting prothrombin time and APTT together.
A pulse oximeter reads two wavelengths and can be badly misled
A memory aid for carboxyhaemoglobin, methaemoglobin and the pulse oximeter's blind spots.
Pharmacokinetic interactions alter concentration; pharmacodynamic interactions alter effect
A memory aid for how drugs interact with one another.
Differing glucocorticoid and mineralocorticoid potency between agents
A memory aid for comparing corticosteroids and their effects.
Inducers speed metabolism and reduce effect; inhibitors slow it and increase effect
A mnemonic for the common enzyme inducers and inhibitors.
Alkylating agents, antimetabolites, antitumour antibiotics and mitotic inhibitors
A memory aid for the chemotherapy classes and their signature toxicities.
Cholinesterase inhibitors first, memantine second
A memory aid for the drugs used in dementia and what to avoid.
Confirm cortisol excess, then localise with ACTH and high dose suppression
A memory aid for investigating suspected Cushing's syndrome.
Nausea, confusion, yellow vision and arrhythmia, worsened by hypokalaemia
A memory aid for recognising and treating digoxin toxicity.
Prescribed, over the counter, herbal, recreational, and the allergy detail
A memory aid for taking a complete medication history.
Hepatocellular, cholestatic or mixed; intrinsic or idiosyncratic
A memory aid for recognising and classifying drug induced liver injury.
Phase I modifies the molecule; phase II conjugates it
A memory aid for the two phases of drug metabolism.
Ion channels, G protein coupled, kinase linked and nuclear receptors
A memory aid for the receptor types drugs act on and their speed.
Working backwards from the symptom to the likely drug
A memory aid for the drug causes of frequently seen adverse effects.
Warfarin, retinoids, ACE inhibitors, valproate and tetracyclines among others
A memory aid for the recognised teratogens.
Acetazolamide proximal, loop diuretics in the loop, thiazides distal, potassium sparers in the collecting duct
A memory aid for where each diuretic class acts and its electrolyte effects.
Site predicts organism, and organism predicts the antibiotic
A memory aid for first line antibiotics by infection site.
Km reflects affinity and Vmax reflects capacity
A memory aid for Michaelis-Menten kinetics and enzyme inhibition.
Crystalloids distribute by tonicity; colloids stay longer in the plasma
A memory aid for the composition and distribution of intravenous fluids.
Un-ionised drug is absorbed, so weak acids favour the stomach and weak bases the intestine
A memory aid for how gut pH affects drug absorption.
Propofol for induction, volatile agents for maintenance
A memory aid for the intravenous and inhalational anaesthetic agents.
ACE inhibitor, beta blocker, mineralocorticoid antagonist and SGLT2 inhibitor
A memory aid for the drugs that improve survival in heart failure.
Triple therapy: a proton pump inhibitor plus two antibiotics for 7 days
A memory aid for the treatment of Helicobacter pylori infection.
Oestrogen for symptoms, progestogen to protect the endometrium
A memory aid for the risks and benefits of hormone replacement therapy.
Autoimmune inflammation of any organ, ending in -itis
A memory aid for the toxicity of checkpoint inhibitors.
Steroids, calcineurin inhibitors, antimetabolites and biologics
A memory aid for the immunosuppressant classes used in transplantation and autoimmunity.
Aminosalicylates, steroids, immunomodulators and biologics
A memory aid for the drugs used in Crohn disease and ulcerative colitis.
Promotes storage of glucose, fat and protein, and drives potassium into cells
A memory aid for the anabolic actions of insulin.
Rapid, short, intermediate and long acting, matched to basal and prandial needs
A memory aid for the classes of insulin by duration of action.
Bulk, osmotic, stimulant and softening agents
A memory aid for the laxative classes and when to use each.
A narrow therapeutic index drug requiring regular level, renal and thyroid monitoring
A memory aid for the safe use of lithium.
Block voltage-gated sodium channels from the inside of the axon
A memory aid for how local anaesthetics work and why they fail in infection.
Perioral tingling and tinnitus first, then seizures and cardiac arrest
A memory aid for recognising and treating local anaesthetic systemic toxicity.
About 25 to 30 ml/kg/day of water with 1 mmol/kg each of sodium and potassium
A memory aid for daily fluid and electrolyte requirements.
Uncontrolled calcium release causes sustained contraction and hypermetabolism
A memory aid for the mechanism and treatment of malignant hyperthermia.
The suffix tells you the source, the syllable before it the target
A memory aid for reading the name of a monoclonal antibody.
FEVER: Fever, Encephalopathy, Vitals unstable, Elevated CK, Rigidity
A mnemonic for the features of neuroleptic malignant syndrome.
Acetylcholine acts on nicotinic receptors and is broken down by acetylcholinesterase
A memory aid for transmission at the neuromuscular junction.
Glutamate excites, GABA inhibits, and the monoamines modulate
A memory aid for the main central neurotransmitters and their roles.
Nicotinic at all ganglia, muscarinic and adrenergic at effector organs
A memory aid for autonomic receptor types and their drugs.
The tides and the flozins, with benefits beyond glucose
A memory aid for the GLP-1 agonists and SGLT2 inhibitors.
Nitric oxide donation causes venodilatation, reducing preload and wall stress
A memory aid for how nitrates relieve angina.
Cyclo-oxygenase inhibition giving analgesia at the cost of gastric, renal and cardiovascular risk
A memory aid for the actions and risks of NSAIDs.
Divide by two from oral to subcutaneous morphine, and remember the breakthrough dose
A memory aid for converting between opioids and routes.
The triad of reduced consciousness, respiratory depression and pinpoint pupils
A memory aid for recognising and treating opioid toxicity.
Mu receptors give analgesia along with the main side effects
A memory aid for the actions mediated by opioid receptors.
Reduce hepatic output, increase secretion, increase sensitivity, or increase excretion
A memory aid for how each class of diabetes drug works.
Target saturations of 94 to 98 per cent, or 88 to 92 per cent if at risk of hypercapnia
A memory aid for prescribing oxygen safely.
Transduction, transmission, modulation and perception
A memory aid for the transmission of pain from periphery to cortex.
NAPQI depletes glutathione, causing centrilobular necrosis
A memory aid for the mechanism and monitoring of paracetamol toxicity.
Levodopa with a decarboxylase inhibitor, dopamine agonists, MAO-B and COMT inhibitors
A memory aid for the drug classes used in Parkinson disease.
Distinguish true IgE-mediated allergy from intolerance or a non-allergic rash
A memory aid for evaluating a reported penicillin allergy.
ADME: Absorption, Distribution, Metabolism, Excretion
A mnemonic for the stages of drug handling.
Potency is the dose needed, efficacy is the maximum effect achievable
A memory aid for distinguishing potency from efficacy.
Reduced metabolism, reduced protein binding and increased sensitivity
A memory aid for adjusting drugs in liver disease.
Reduce the dose or lengthen the interval for renally cleared drugs
A memory aid for adjusting drugs when renal function is reduced.
Altered pharmacokinetics and pharmacodynamics with high polypharmacy risk
A memory aid for the principles of safe prescribing in older people.
Only the free fraction is active, and only the free fraction is cleared
A memory aid for why protein binding matters in prescribing.
The As: antiarrhythmics, antibiotics, antipsychotics, antidepressants, antiemetics
A mnemonic for the drug classes that prolong the QT interval.
The seven Ps, from preparation to post-intubation management
A mnemonic for the preparation and steps of rapid sequence induction.
Agonists downregulate receptors; antagonists upregulate them
A memory aid for tachyphylaxis, tolerance and rebound.
Filtration of free drug, active secretion, and passive reabsorption depending on pH
A memory aid for how the kidney eliminates drugs.
Renin, angiotensinogen, angiotensin I, ACE, angiotensin II, aldosterone
A memory aid for the steps of the renin-angiotensin-aldosterone cascade.
Enteral routes are convenient; parenteral routes bypass first pass metabolism
A memory aid for the advantages of each route of drug administration.
A mixed respiratory alkalosis and metabolic acidosis, with tinnitus
A memory aid for the features and treatment of aspirin poisoning.
Respiratory alkalosis from central stimulation plus a high anion gap metabolic acidosis
A memory aid for the mixed acid-base picture of aspirin overdose.
Autonomic, neuromuscular and mental state changes, with clonus
A memory aid for recognising serotonin syndrome and separating it from its mimic.
Never stop insulin, monitor more often, and maintain fluid and carbohydrate intake
A memory aid for managing diabetes during intercurrent illness.
Effective but slow, with early worsening and a discontinuation syndrome
A memory aid for the practical points of prescribing SSRIs.
Statins inhibit HMG-CoA reductase; ezetimibe blocks absorption; PCSK9 inhibitors preserve LDL receptors
A memory aid for the lipid-lowering drug classes.
Steroids act on intracellular receptors and alter gene transcription
A memory aid for how steroid hormones differ from peptide hormones.
Monoclonal antibodies, tyrosine kinase inhibitors and checkpoint inhibitors
A memory aid for the classes of targeted anticancer drug.
Narrow therapeutic index drugs where effect cannot be measured directly
A memory aid for which drugs need level monitoring and when to sample.
The ratio of the toxic dose to the effective dose
A memory aid for the concept of therapeutic window.
Levothyroxine for replacement, thionamides for suppression
A memory aid for the drugs used in thyroid disease.
Receptor downregulation, enzyme induction and physiological adaptation
A memory aid for the mechanisms of drug tolerance and dependence.
Anticholinergic, cholinergic, sympathomimetic, opioid and sedative patterns
A memory aid for the classic poisoning syndromes.
Anticholinergic, cardiac and neurological toxicity together
A memory aid for the features and treatment of tricyclic overdose.
Triptans are 5-HT1 agonists causing cranial vasoconstriction
A memory aid for acute and preventive migraine treatment.
Smear, culture and NAAT for active disease; Mantoux and IGRA for latent
A memory aid for the tests used in latent and active tuberculosis.
Typicals cause movement problems, atypicals cause metabolic ones
A memory aid for the two generations of antipsychotic and their side effects.
Live attenuated give strong lasting immunity; inactivated are safer but need boosters
A memory aid for the types of vaccine and their properties.
Vasopressors squeeze the vessels; inotropes squeeze the heart
A memory aid for classifying vasoactive drugs by their receptor actions.
Sodium blockers, Beta blockers, Potassium blockers, Calcium blockers
A mnemonic for the classes of antiarrhythmic drug.
Cofactor for gamma-carboxylation of factors II, VII, IX and X plus proteins C and S
A memory aid for the role of vitamin K in clotting.
The theoretical volume needed to contain the dose at the measured plasma concentration
A memory aid for the meaning and use of volume of distribution.
Non-opioid, then weak opioid, then strong opioid, with adjuvants at every step
A memory aid for the stepwise approach to analgesia.
Any reaction to a black triangle drug, and serious reactions to any drug
A memory aid for what to report to the UK pharmacovigilance scheme.
First order clears a constant proportion, zero order a constant amount
A mnemonic for the two patterns of drug elimination.