Study by class, not chaos

Pharmacology Class Roadmap

Learning medications by class helps you organize what to monitor, what to question, and what to teach. This roadmap is for medication recognition and nursing education only; it does not tell you what to administer or replace approved references.

Best for pharmacology reviewMedication examplesStudent/new gradSafety prompts

How to Use This Roadmap

Do not memorize in isolation. Pick one class, connect it to a patient condition, then write the labs, vitals, assessments, teaching points, and questions that would matter for that medication in context.

Start with what the class is generally used for.
Connect the class to the patient's diagnosis and current assessment.
Identify labs, vitals, side effects, and safety checks commonly reviewed with that class.
List red flags to question or report per order/facility policy.
Write patient teaching themes in plain language.

Medication Example Safety Note

Medication examples are provided for nursing education and recognition only. Always verify the medication, indication, dose, route, timing, contraindications, monitoring needs, and patient-specific considerations with current approved references, pharmacist guidance, provider orders, and facility policy.

Drug Class Cards

Each card follows the same pattern: examples, monitoring themes, possible concerns to verify, patient teaching, and common student/new grad mistakes.

Antihypertensives

Study by subclass so you can connect vitals, symptoms, ordered labs, and patient-specific considerations.

Beta blockers

metoprolol / Lopressor, Toprol XL
carvedilol / Coreg
atenolol / Tenormin
labetalol / Trandate
propranolol / Inderal

ACE inhibitors

lisinopril / Zestril, Prinivil
enalapril / Vasotec
captopril / Capoten

ARBs

losartan / Cozaar
valsartan / Diovan
olmesartan / Benicar

Calcium channel blockers

amlodipine / Norvasc
diltiazem / Cardizem
verapamil / Calan, Verelan
nifedipine / Procardia

Monitor themes: blood pressure, heart rate, symptoms, ordered labs.
Red flags: unexpected vitals or symptoms to verify/escalate per policy.
Teaching: adherence, position changes, side effects to report.
Mistake: giving without connecting to current vitals and orders.

Diuretics

Connect the diuretic type to fluid status, electrolyte trends, blood pressure, and ordered monitoring.

Loop

furosemide / Lasix
bumetanide / Bumex
torsemide / Demadex

Thiazide

hydrochlorothiazide / Microzide
chlorthalidone / Hygroton

Potassium-sparing

spironolactone / Aldactone
amiloride / Midamor

Monitor themes: output, daily weights, electrolytes, blood pressure.
Red flags: abnormal trends or symptoms requiring clarification.
Teaching: timing, hydration guidance, symptoms to report.
Mistake: missing fluid and electrolyte context.

Anticoagulants

Anticoagulants require extra attention to bleeding risk, ordered labs when applicable, procedures, fall risk, and policy-based safeguards.

heparin
enoxaparin / Lovenox
warfarin / Coumadin
apixaban / Eliquis
rivaroxaban / Xarelto
dabigatran / Pradaxa

Monitor themes: bleeding, ordered labs, procedure plans, fall risk.
Red flags: bleeding signs or unclear procedure timing.
Teaching: bleeding precautions and reporting symptoms.
Mistake: assuming all anticoagulants follow the same monitoring rules.

Insulins

Insulin study should always include order type, timing, meal status, glucose checks, symptoms, and facility policy.

Rapid-acting

lispro / Humalog
aspart / NovoLog
glulisine / Apidra

Short-acting

regular insulin / Humulin R, Novolin R

Intermediate

NPH / Humulin N, Novolin N

Long-acting

glargine / Lantus, Basaglar, Toujeo
detemir / Levemir
degludec / Tresiba

Monitor themes: glucose, meals, timing, order type.
Red flags: symptoms, meal mismatch, or unclear orders to verify.
Teaching: timing, symptoms to report, storage, follow-up plan.
Mistake: rushing without matching food, order, and timing.

Opioids

Opioid safety review should include patient response, sedation, respiratory status, fall risk, and facility monitoring expectations.

morphine
hydromorphone / Dilaudid
fentanyl
oxycodone / OxyContin, Roxicodone
hydrocodone / Norco, Vicodin
tramadol / Ultram

Monitor themes: pain goal, sedation, respiratory status, fall risk.
Red flags: oversedation or respiratory concerns.
Teaching: safety, constipation prevention, avoiding unapproved sedatives.
Mistake: documenting pain but missing sedation context.

Antibiotics

Antibiotic study should include allergy history, cultures when relevant, renal considerations, timing, response, and adverse reactions.

Penicillins

amoxicillin
ampicillin
piperacillin-tazobactam / Zosyn

Cephalosporins

cefazolin / Ancef
ceftriaxone / Rocephin
cephalexin / Keflex
cefepime / Maxipime

Fluoroquinolones

ciprofloxacin / Cipro
levofloxacin / Levaquin

Macrolides

azithromycin / Zithromax
clarithromycin / Biaxin

Glycopeptides

vancomycin

Monitor themes: allergies, cultures, renal considerations, response.
Red flags: reactions, timing concerns, or worsening symptoms.
Teaching: completing therapy as prescribed and reporting reactions.
Mistake: missing allergy or culture timing details.

Bronchodilators / Respiratory Meds

Respiratory medication study should include assessment, response, route/device technique, side effects, and ordered respiratory plan.

albuterol / ProAir, Ventolin
ipratropium / Atrovent
albuterol-ipratropium / DuoNeb
tiotropium / Spiriva
salmeterol / Serevent
budesonide-formoterol / Symbicort
fluticasone-salmeterol / Advair

Monitor themes: respiratory assessment, oxygenation, heart rate, technique.
Red flags: worsening symptoms or unexpected side effects.
Teaching: rescue vs maintenance use and device technique.
Mistake: not reassessing whether breathing improved.

Corticosteroids

Corticosteroid review should connect medication purpose with glucose, infection risk, mood changes, and ordered follow-up.

prednisone
methylprednisolone / Solu-Medrol
dexamethasone / Decadron
hydrocortisone / Solu-Cortef

Monitor themes: glucose, infection signs, mood, ordered labs.
Red flags: infection concerns or significant side effects.
Teaching: timing, follow-up, and not stopping abruptly unless directed.
Mistake: forgetting glucose or infection-risk considerations.

Cardiac Medications

Cardiac medications vary widely. Always connect the exact drug to rhythm, rate, blood pressure, symptoms, labs, and orders.

Antiarrhythmics

amiodarone / Cordarone
diltiazem / Cardizem
adenosine / Adenocard

Cardiac glycoside

digoxin / Lanoxin

Nitrates

nitroglycerin / Nitrostat, Nitro-Bid

Monitor themes: rhythm, heart rate, blood pressure, symptoms, labs.
Red flags: unexpected vitals, rhythm changes, toxicity concerns.
Teaching: symptom reporting, safe position changes, adherence.
Mistake: checking one vital sign without the broader cardiac picture.

Psychiatric Medications

Psych medication study should include target symptoms, onset expectations, safety concerns, interactions, and patient teaching.

SSRIs

sertraline / Zoloft
fluoxetine / Prozac
escitalopram / Lexapro
citalopram / Celexa

Benzodiazepines

lorazepam / Ativan
diazepam / Valium
alprazolam / Xanax

Antipsychotics

haloperidol / Haldol
risperidone / Risperdal
quetiapine / Seroquel
olanzapine / Zyprexa

Monitor themes: target symptoms, side effects, safety, adherence, ordered labs.
Red flags: severe side effects, interaction concerns, safety changes.
Teaching: consistency, delayed effect for some meds, symptoms to report.
Mistake: assuming every medication gives immediate benefit.

References & Learning Resources

This page is intended for nursing education and shift organization. Always confirm with current facility policy, provider orders, and approved clinical references.

Current approved drug guide
Facility medication administration policy
Pharmacist guidance
Provider orders/MAR
ISMP high-alert medication resources
FDA medication safety resources

Related Tools / Resources

Pharmacology Survival Pack Medication Card Template Before You Give the Med Checklist High-Alert Medication Safety Nursing Students

Safety Note

This roadmap is for nursing education and organization only. It does not replace provider orders, pharmacist verification, current drug guides, instructor guidance, facility policy, medication administration rights, or clinical judgment.

Created for Nurse Shift Survival by an experienced BSN, RN with more than two decades in healthcare.

Last updated: May 2026