Nasal sprays are useful dosage forms that yield medical benefits by allowing patients to place medications inside the nasal cavity, directly where they are needed. There are four types of nonprescription nasal sprays in common use—corticosteroids, nasal decongestants, sodium chloride, and cromolyn sodium.
Pray, W. Steven and Pray, Gabriel E., "Proper Use of Nonprescription Nasal Sprays" (2014). Faculty Articles & Research. 11.