Pharmacotherapy for respiratory disorders
The three offered disorders are not equally easy. The common cold is the hardest to write well, because the honest pharmacological answer is that almost nothing changes its course — and saying so is a better post than inventing treatments.
Editorial process
Last reviewed · August 15, 2026
Pick the disorder that lets you argue about drugs
Choose deliberately, because the three disorders on offer give you very different amounts to work with. COPD is the richest: there is a stepwise pharmacological ladder of short and long-acting bronchodilators, muscarinic antagonists, inhaled corticosteroids and their combinations, plus a genuine debate about who benefits from steroids and who is harmed by the pneumonia risk they carry. Pneumonia is next, because empiric antibiotic choice depends on setting, severity and resistance patterns, all of which are arguable. The common cold is the hardest to write well and the most commonly chosen, because the honest pharmacological answer is that nothing alters its course and everything on offer treats symptoms. That is a publishable answer if you say it plainly and then discuss why antibiotics are still prescribed for it — but it is a thin post if you pretend otherwise. Say early which symptoms the drugs actually target.
Whichever you take, the second half is where the marks are: how individual patient factors change the effect of the drugs you named. Work with a mechanism rather than a caution. Age changes renal and hepatic clearance and changes inhaler technique, which is a delivery problem rather than a pharmacological one. Comorbidity changes what is safe — beta-blockers and bronchospasm, corticosteroids and glycaemic control, decongestants and hypertension. Pregnancy, smoking status and CYP450 interactions all belong here too, and smoking is worth naming because it induces enzymes and changes theophylline dosing directly. Then say what you would change in the regimen because of that factor — a different agent, a different dose, a spacer, closer monitoring. A post that names a factor and stops has answered half the question, and the half it answered is the one the textbook already covers. The prescribing consequence is what your instructor cannot get from the chapter, so give it room.
Likely learning objectives
Inferred from the brief — check these against your own rubric.
- 01Match drug classes to the pathophysiology of a specific respiratory disorder.
- 02Distinguish symptomatic treatment from disease-modifying treatment.
- 03Explain how a patient factor alters drug effect through a named mechanism.
- 04Convert a patient factor into a specific change in the prescribed regimen.
Read the full question
Review every instruction before using the planning guidance that follows.
Turn the brief into deliverables
- 01A named respiratory disorder and the drug classes used to treat it.
- 02The mechanism by which each class acts on the disorder's pathophysiology.
- 03At least one patient factor with its effect on drug action.
- 04A stated change to the regimen that follows from that factor.
- 05APA-formatted scholarly citations.
Disorder, drugs, patient factor, then the change
Choose and characterise the disorder
Name the disorder and the pathophysiology the drugs will act on.
Drug classes and their targets
Set out the classes prescribed and what each does mechanistically.
Symptomatic versus disease-modifying
Separate what relieves symptoms from what changes the disease course.
The patient factor
Trace one factor through absorption, distribution, metabolism, excretion or response.
What changes in the regimen
State the specific adjustment that follows — agent, dose, delivery or monitoring.
Sources for respiratory pharmacotherapy
Recommended databases
- NCBI Bookshelf (StatPearls)
- PubMed Central
- Your Arcangelo and Peterson chapters 26 and 27
- Global Initiative for Chronic Obstructive Lung Disease
Search sequence
- 1.Read the assigned chapters first, then check a reference source for current drug classes since guidance moves quickly.
- 2.For COPD, look up the current stepwise recommendations rather than relying on the textbook edition.
- 3.Search your chosen patient factor together with the drug class to find a documented interaction rather than a generic caution.
- 4.If you chose the common cold, find the evidence on antibiotic prescribing for it — that is the interesting argument available.
Reference shortlist
These are authoritative starting points, not a ready-made bibliography. A qualified reviewer must confirm that each source fits the assignment and supports the claim beside which it is cited.
Nothing here is cleared for citation until you have read it.
- 01
Chronic Obstructive Pulmonary Disease (COPD)
StatPearls, NCBI Bookshelf · 2023
Pathophysiology and the stepwise pharmacological approach, which carries a COPD-based post.
- 02
Community-Acquired Pneumonia
StatPearls, NCBI Bookshelf · 2023
Empiric antibiotic selection by setting and severity, for a post built on pneumonia.
- 03
Upper Respiratory Tract Infections With Focus on The Common Cold
StatPearls, NCBI Bookshelf · 2023
The evidence that nothing alters the course of a common cold, which is the honest basis for that choice.
- 04
Antimicrobial resistance
World Health Organization · 2023
The population-level consequence of prescribing antibiotics for viral illness, which strengthens the argument either way.
Review before submission
Common mistakes
- Choosing the common cold and then describing treatments as though they alter its course.
- Listing drug classes without connecting each to the pathophysiology.
- Naming a patient factor as a caution rather than tracing its mechanism.
- Stopping at the factor without saying what you would change in the regimen.
- Confusing symptomatic relief with disease modification, which the assignment is testing.
Submission checklist
- Is your chosen disorder one of the three offered?
- Does each drug class connect to a mechanism in the disease?
- Have you traced a patient factor through pharmacokinetics or pharmacodynamics?
- Did you state what changes in the prescription as a result?
- Are your sources current, given how quickly guidance changes?
Use this guide to plan and review your own work. Follow your institution's rules and read our academic-integrity policy.

Written by
Aaron Bishop
MA, Education
assignment interpretation and research-methods coaching across disciplines
Aaron leads the EssayCrackers editorial desk. He works on how assignment briefs are read — what a rubric is actually asking for, and where students most often answer a different question than the one set.

Reviewed by
Dr. Nathan Cole
PhD, Rhetoric & Composition
Argumentation and thesis development
Nathan teaches first-year composition and directs a university writing center. He reviews EssayCrackers guides for argumentative soundness and citation accuracy.