You could try Pollinosan Nasal Spray, which is traditionally used for hayfever symptoms such as a blocked or runny nose.
I would suggest using it last thing at night and also have it near your bed so you can take the first dose as soon as you get up.
Do you have questions? Please feel free to ask.
Take our quick quiz to discover just how healthy your immune system is, as well as some useful information about your general health and wellbeing!