I've breathlessness problem and allergy from my childhood. I used so much medicines like 1)foracort rotacapsules 200 ,2)sereflo rotacapsules 100. And one doctor suggest me to increase immunity power so  I can improve my health and prevent breathlessness. And I used Omega bioplus. And that improved my immunity health. But that is so much costly. And I need to know is there any medicine with low price to improve immunity power. And some medicine for allergy. Because I am sneezing every time with  dust problem or due to climate change.