Flomist AZ 50mcg Nasal Spray is a steroid It relieves the symptoms of allergic rhinitis such as runny nose sneezing and sinus discomfort It works by blocking the production of certain chemical messengers that cause inlammation swelling and allergies thus relieving the discomfort and irritation in your nose You should always use Flomist AZ 50mcg Nasal Spray as advised by your doctor To get the full benefit of the medication you should use it regularly Normally you should blow your nose gently before using it keep one nostril closed while applying the medication into the other and then sniff hard to make sure it reaches deep into the nose Then repeat for the other nostril Nasal irritation is a very common side effect of this medication It may also cause nosebleed and headaches in some patients Talk to your doctor if you are worried about side effects or they do not go away Using corticosteroids like this medication makes you more susceptible to viral infections so you should stay away from people who have these infections In general you should try to avoid situations which make your symptoms worse things like pollen and dust mites and it s best not to smoke