Rhinocort Aqua is a nasal spray containing 64 micrograms of budesonide, a corticosteroid medication used to treat nasal allergies and inflammation. Each bottle provides 120 metered sprays for convenient daily use. This prescription nasal spray is manufactured by AstraZeneca and contains budesonide as the active ingredient. The aqueous formulation helps deliver the medication effectively to nasal passages. As this is a prescription medication, it should only be used under the direction of a healthcare provider.