Stop use and ask a doctor - if you have, or come into contact with someone who has, chicken pox, measles or tuberculosis, your symptoms do not get better within 7 days of starting use or you get new symptoms such as severe facial pain or thick nasal discharge. You may have something more than allergies, such as an infection, you get a constant whistling sound from your nose. This may be a sign of damage inside your nose, you get an allergic reaction to this product. Seek medical help right away, you get new changes to your vision that develop after starting this product, you have severe or frequent nosebleeds. Only for use in the nose. Do not spray into your eyes or mouth. Ask a doctor or pharmacist before use if you are taking - medicine for hiv infection (such as ritonavir), a steroid medicine for asthma, allergies or skin rash, ketoconazole pills (medicine for fungal infection). Do not use - in children under 4 years of age, to treat asthma, if you have an injury or surgery to your nose that is not fully healed, if you have ever had an allergic reaction to this product or any of the ingredients. When using this product - the growth rate of some children may be slower, stinging or sneezing may occur for a few seconds right after use, do not share this bottle with anyone else as this may spread germs, remember to tell your doctor about all the medicines you take, including this one. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. In case of overdose, get medical help or contact a poison control center right away. Ask a doctor before use if you have or had glaucoma or cataracts.