When Does Nasal Spray Work?

Talk with your doctor about how long it may be before your see improvement to your congestion. Some sprays take up to 2 weeks to work. Wash the canister device at least once a week. Be sure you can sniff air through each nostril before spraying.

Does nasal spray work immediately?

Steroid sprays start working almost immediately but don't provide their full benefits for about 2 to 4 weeks. This makes steroid sprays better for long-term, preventative use. Antihistamine nasal sprays work faster than steroid sprays and are also quite effective.

How long does it take for nasal spray to start working?

It takes several days for a steroid spray to build up to its full effect. Therefore, you will not have an immediate relief of symptoms when you first start it. In some people it can take up to two weeks or longer to get the maximum benefit.