Asthma during pregnancy

Patient: I am an asthma and allergic patient for past 11 years.I have consulted a doctor long back and he prescribed me seroflo 250 inhaler and cetrizine tab and I am using that I am confused of being pregnant and my asthma and allergic symptom got worse is it safe for me to use the above inhaler and tablet.I am also using salbutamol inhaler 100 MCG during asthma attack.

Symptoms: sneezing,suffocation especially during night,pain behind and around eyes