Itching, Sneezing In Nose. Or in 4 days?

Hello Dr.I Had Itching & Sneezing(But No WateryNose)From Yesterday.Maybe I catch it from my husband who's having cold from last days Or I ate Rasgulla sweet(stored in Refrigerator) So mine problem is allergic problem.Sometimes I took Levocetrizine/or Montas L(MonteLucast)tab whenever I had suffer So I felt relief.These medicines suites me.Now problem is I'm 3 months pregnant 11week(Taking other medicines of pregnancy).So yesterday night I can't sleep because of this problem,too much itching n sneezing also,nasals r blocked n I took steam also.So I decided to take levocetrizine,Otrivin drop,Vick's inhaler.So I took half levocetrizine at 10:15pm yesterday night,than after 2 hrs I feel better.So Dr,My 1st Ques. Is Levocetrizine/Or Montas L is safe during pregnancy? If I'm having this problem too much again Should I will take this medicine once in a day or in 4 days?Is Banana is allergic fruit.Or else Prescribe any tab for me in this Condition(pregnancy).2dy I'mhaving litIitchching.PlzAns