How do I relieve nasal congestion?

Medical Advisory BoardAll articles are reviewed for accuracy by our Medical Advisory Board
Educational purpose only • Exercise caution as content is pending human review
Article Review Status
Submitted
Under Review
Approved

Last updated: December 26, 2025View editorial policy

Personalize

Help us tailor your experience

Which best describes you? Your choice helps us use language that's most understandable for you.

How to Relieve Nasal Congestion

Start with intranasal corticosteroids (fluticasone, mometasone) as first-line therapy for most cases of nasal congestion, as they are the most effective monotherapy with minimal side effects and no risk of rebound congestion. 1

First-Line Treatment Approach

Intranasal corticosteroids are the gold standard for nasal congestion management:

  • Fluticasone propionate nasal spray provides symptom relief starting within 12 hours, with maximum benefit achieved after several days of regular use 1, 2
  • Dosing for adults: 2 sprays per nostril once daily (200 mcg total) or 1 spray per nostril twice daily 2
  • These medications work through anti-inflammatory mechanisms rather than vasoconstriction, preventing rebound congestion that occurs with topical decongestants 3
  • They are effective for all types of rhinitis including allergic, nonallergic, and congestion from upper respiratory infections 4, 1

Rapid Relief Options (Short-Term Use Only)

For immediate symptom relief, topical decongestants provide the fastest action:

  • Oxymetazoline (Afrin) nasal spray works within minutes through nasal vasoconstriction 1, 5
  • Critical limitation: Use for maximum 3-5 days only to prevent rhinitis medicamentosa (rebound congestion) 1, 3, 5
  • Rebound congestion can develop as early as the third or fourth day of continuous use 4, 3
  • If you need rapid relief while starting intranasal corticosteroids, apply oxymetazoline first, wait 5 minutes, then apply the corticosteroid for better penetration 3, 5

Oral Decongestant Alternative

Pseudoephedrine is an effective oral option when topical therapy is contraindicated:

  • Provides temporary relief of nasal congestion through systemic vasoconstriction 4, 6
  • Associated with small increases in systolic blood pressure (0.99 mmHg) and heart rate (2.83 beats/min) 4
  • Use with caution in patients with hypertension, arrhythmias, coronary artery disease, hyperthyroidism, closed-angle glaucoma, or bladder neck obstruction 4
  • Side effects include insomnia, irritability, palpitations, and loss of appetite 4
  • Avoid in children under 6 years due to risk of serious adverse events including agitated psychosis, ataxia, hallucinations, and death 4

Important note: Phenylephrine, commonly substituted for pseudoephedrine in over-the-counter products, has not been well-established as effective due to extensive gut metabolism 4

Treatment Algorithm by Clinical Scenario

For acute congestion (common cold, acute sinusitis):

  • First choice: Topical oxymetazoline for ≤3-5 days 5
  • Alternative: Oral pseudoephedrine if topical contraindicated 5
  • Adjunct: Nasal saline irrigation for symptomatic relief 1, 5

For allergic rhinitis with congestion:

  • Start: Intranasal corticosteroid as first-line 1, 5
  • If inadequate response: Add intranasal antihistamine (azelastine or olopatadine) 1, 5
  • For severe obstruction: Short-term topical oxymetazoline (≤3-5 days) while starting intranasal corticosteroid 5

For chronic or recurrent congestion:

  • Intranasal corticosteroids should be the primary treatment rather than repeated courses of topical decongestants 5
  • Continue for several weeks as maximum benefit takes time to develop 2

Adjunctive Therapy

Nasal saline irrigation provides symptomatic relief with minimal risk of adverse effects and is particularly useful as an adjunct to other treatments 1

Critical Pitfalls to Avoid

  • Never use topical decongestants beyond 3-5 days - this is the most common mistake leading to rhinitis medicamentosa 1, 3, 5
  • Do not recommend antihistamines alone for nasal congestion in non-allergic patients as they are ineffective and may worsen symptoms 5
  • Avoid topical decongestants in children under 4 years and use with extreme caution in children under 1 year due to narrow therapeutic window 5
  • Exercise caution with decongestants during first trimester of pregnancy due to reported fetal heart rate changes 1, 5
  • Do not combine caffeine with oral decongestants as adverse effects are additive 4

If Rebound Congestion Develops

If you've been using topical decongestants for more than 3-5 days and congestion worsens:

  • Stop the topical decongestant immediately 3, 5
  • Start intranasal corticosteroid (fluticasone or mometasone) to control symptoms while rebound effects resolve 3, 5
  • For severe cases: Consider a short 5-7 day course of oral corticosteroids to hasten recovery 3, 5
  • Continue intranasal corticosteroid for several weeks as nasal mucosa recovers 3

References

Guideline

Treatment Options for Nasal Congestion

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025

Guideline

Preventing Rebound Congestion with Intranasal Corticosteroids

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025

Guideline

Guideline Directed Topic Overview

Dr.Oracle Medical Advisory Board & Editors, 2025

Guideline

Nasal Decongestant Choice and Usage Guidelines

Praxis Medical Insights: Practical Summaries of Clinical Guidelines, 2025

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

Have a follow-up question?

Our Medical A.I. is used by practicing medical doctors at top research institutions around the world. Ask any follow up question and get world-class guideline-backed answers instantly.