Hi Doc My Son Is Seven Years Old He Has

Hi doc my son is seven years old he has allergic astama and i used to nebulize him wit duolin 2.5 n budecort 2ml respules he never had a astama attack for long tonyt i c hes gt cough n heavy breathing nw im confused cant remeber exactly cos d doc told me to to use one respule half and one full one mus mix n nebulize him without saline water (no saline water).nw im confused about d ratio can u please tell me if its half duolin n one respule budecort or half budecort or one duolin.pls im waitin for ur reply thank u.