Talk to your doctor if your symptoms do not improve or if they get worse. Use budesonide nasal on a regular basis for best results. It may take several weeks to get the maximum effect of this medication. Budesonide is a steroid. It prevents the release of substances in the body that cause inflammation.
Budesonide nasal is used to treat the nasal symptoms of allergies and other seasonal reactions.
Budesonide nasal may also be used for purposes other than those listed in this medication guide. Before using this medication, tell your doctor if you have a viral, bacterial, or fungal infection of any kind. The absorption of this drug into your system can inhibit your body's ability to fight off infections. You may not be able to use budesonide nasal if you have an infection. This means that it is not known whether budesonide nasal will harm an unborn baby.