If you will be using FLONASE for more than a few weeks, your doctor should check your progress at regular visits.

Check with your doctor:

• if signs of a nose, sinus, or throat infection occur.
• if your symptoms do not improve within 3 weeks.
• if your condition gets worse.

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor as soon as possible if any of the following side effects occur:

• More common
  • Bloody mucus or unexplained nosebleeds;  cough;  headache;  nausea ;  shortness of breath;  vomiting 
  
  

• Less common
  • Diarrhea;  dizziness;  excessive mucus;  fever;  general aches and pains;  loss of appetite;  stomach pain;  weakness;  runny nose 
  
  

• Rare
  • White patches inside nose or throat 
  
  

• Symptoms of overdose
  • Blindness;  blurred vision;  bone fractures;  excess facial hair growth in females;  fullness of face, neck, and trunk;  high blood pressure;  impotence in males ;  increased thirst or urination;  lack of menstrual periods;  muscle wasting;  weakness 
  
  

Other side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. However, check with your doctor if any of the following side effects continue or are bothersome:

• More common
  • Burning, dryness, or other irritation inside the nose;  sore throat 
  
  

• Less common
  • Runny nose 
  
  

Other side effects not listed above may also occur in some patients. If you notice any other effects, check with your doctor.