You should not use Deselex twice daily as it is always given once daily.Babies of 9 months do not have any sinuses so your baby should not have sinusitis which is a sinus infection.Use saline nose drops such as Salex twice daily to clear your baby's nose of mucous.If he has a nose allergy he will benefit from using Zyrtec syrup 2.5ml once daily by mouth. This should be given instead of the Deselex.
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