How can I avoid rebound congestion if I use a decongestant nasal spray?
Topical decongestants such as decongestant nasal sprays should only be used for 3 days
to avoid rebound congestion. Rebound congestion is the worsening of the original congestion due
to a dependence on the nasal passage for the medication in order to keep the blood vessels
constricted. The nose develops a tolerance to the medication requiring more medication to
produce the same effect and eventually becoming ineffective in relieving the congestion.
Although the precise mechanism of this reaction has not been identified, the prolonged
vasoconstriction caused by nasal decongestant sprays is thought to cause a secondary
vasodilatation (resulting in congestion) and a decreased response to the nasal sprays
themselves.
Rebound congestion treatment
Treatment of rebound congestion consists of withdrawal from the decongestant nasal spray , and replacing the decongestant
spray with a topical normal saline product such as Walgreens saline nasal spray. This can be used to
restore moisture and relieve dry nasal passages.
The mucous membrane typically returns to normal in 1 to 2 weeks following discontinuation of
the nasal decongestant spray.
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