Steroid nasal sprays: While steroid nasal sprays may have some activity on reducing nasal inflammation as soon as 12 hours after a single dose, they don't achieve their maximum effect for several days. If you are having nasal congestion causing a sinus headache, you may need to take an oral or intranasal decongestant or antihistamine to get more temporary relief while the steroid spray takes effect.
Answered 3/13/2019
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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