My daughter is 7 year old & prone to seasonal allergies. Currently she is having a dry cough and is not able to sleep, watery eyes, and lots of sneezing. As per doctors advice we are giving allegra 5 ml twice a day, but what can be done for cough? I tried honitus it's not working well on her. Because lack of sleep is making her dull. She had adenoid surgery a few years back but sprays are now stopped for quite a few months.