Nasal Decongestant Therapy

Efficacy and Safety

Intranasal decongestants can cause rhinitis medicamentosa when used beyond 3-7 days, whereas cromolyn sodium does not cause rebound congestion or tolerance with extended use, according to the American Academy of Allergy, Asthma, and Immunology 1
Cromolyn sodium is less effective than intranasal corticosteroids but has a superior safety profile, as recommended by the American Academy of Allergy, Asthma, and Immunology 1
Cromolyn sodium has an excellent safety profile with minimal side effects, and is safe for use in very young children and during pregnancy 1
No significant drug interactions have been reported with cromolyn sodium 1

Cromolyn sodium is valuable for patients who cannot tolerate or have contraindications to other medications, and is recommended by the American Academy of Allergy, Asthma, and Immunology for allergic rhinitis and asthma management, particularly for patients with predictable exposures 1
Cromolyn sodium may be prescribed for cutaneous mastocytosis, using water-soluble sodium cromolyn cream or aqueous-based sodium cromolyn skin lotion to decrease pruritus and flaring of lesions 2
Limited evidence suggests that cromolyn sodium may be effective for certain gastrointestinal conditions, such as eosinophilic esophagitis 3
Cromolyn sodium may be used for diarrhea, abdominal pain, nausea, and vomiting in children with mastocytosis 2
Cromolyn sodium is used for prophylaxis of mild to moderate asthma, and may be combined with other therapies for better symptom control 1

The American Academy of Allergy, Asthma, and Immunology recommends beginning treatment early in allergy season for seasonal allergies, with initial effects noted within 4-7 days of consistent use, and for episodic allergic rhinitis, the onset of action appears more rapid 1
Cromolyn sodium requires consistent use for maximum effectiveness, and may require 2+ weeks for maximum effect in severe or perennial cases 1
Proper inhalation technique is recommended by the American Thoracic Society for effectiveness of cromolyn sodium in asthma management 1
Cromolyn sodium has a protective effect that persists for 4-8 hours after administration, and is effective for prevention and treatment of allergic rhinitis 1

Cromolyn sodium is not effective for vasomotor rhinitis, NARES, or nasal polyposis 1
Intranasal cromolyn is less effective than intranasal corticosteroids for allergic rhinitis, but may be preferred for its excellent safety profile, according to the American College of Allergy, Asthma, and Immunology 1