Common side effects of this medication do include the following; Drowsiness, nasal dryness/irritation, mild nosebleeds, or a change in the sense of taste. It is best to speak with your doctor promptly if you are experiencing any of these side effects.
However unlikely, these serious side effects should to brought to you doctor’s attention right way; severe nosebleeds, pain in your nose, a whistling sound when you breathe, eye pain, signs of infection (such as sore throat that doesn't go away, white patches in your nose/back of your throat, fever, chills).
Rarely, it is possible that corticosteroids given in the nose will be absorbed into the bloodstream. This can lead to side effects of too much corticosteroid. These side effects are more likely in children and people who use this medication for a long time and in high doses. Tell your doctor right away if any of the following side effects occur: unusual/extreme tiredness, weight loss, headache, swelling ankles/feet, increased thirst/urination, vision problems.
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.