Nasonex spray contains mometasone furoate. Mometasone furoate and fluticasone propionate belong to similar class of medicines i.e inhalational steroid. So, both have similar effects. You can use fluticasone propionate for similar purpose as mometasone furoate. There is no need to worry. What is the indication of Nasonex?? Why are you using it?? Bronchial asthma?? Reason of use you have not written here. Advice 1. Continue fluticasone propionate as suggested by your doctor 2. Take high protein diet such as pulses, eggs, meat and cheese to boost your immunity as steroid depresses immunity causing infection 3. Avoid smoking and dust 4. Use only the number of sprays your doctor has prescribed 5. If the spray gets in your eyes or mouth or on your skin, rinse with water I hope this information will help you. I will be happy if you ask another question Thanks