You are probably correct and your baby may well be allergic,but a few days ago she had a very high fever and this particular illness is very probably due to RSV infection.Whether her nose is blocked due to allergies or to infection now that she is a bit better, you still need to use the same treatment to clear her nose. Use a Sterimar baby nasal spray twice daily.Use the Baby-Vac suction device to clear her nose just before you use the Sterimar spray.
Once she is over this illness take her to see your paediatrician so that she can be tested to find out if she is indeed allergic and whether her blocked nose is due to allergic rhinitis.
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