Why should patients be cautious with prolonged use of nasal decongestant sprays?

• A. They can cause drowsiness and fatigue
• B. They can lead to rebound congestion, worsening symptoms when discontinued
• C. They have no side effects
• D. They do not affect nasal tissue

Answer: (B)

Prolonged use of nasal decongestant sprays can lead to rebound congestion, a phenomenon known as rhinitis medicamentosa. When these sprays are used for an extended period, they can cause the nasal passages to become more congested once the medication is stopped. This can create a cycle where the patient feels compelled to continue using the spray to relieve the congestion, ultimately worsening their symptoms. The condition arises because the nasal tissues can become desensitized to the medication, resulting in increased symptoms when the decongestant is not in use. This understanding highlights the importance of using such medications only as directed and for limited durations, typically no more than a few days, to avoid dependence and worsening of nasal congestion.