i am six month pregnent women before pregnency suddenly one day i have notice that i have high blood pressure. after pregnency my blood pressure chang frequently some time 120/70 some time 130/90 , today my blood pressure rise 150/100 and my doctro suggest me to take Nicardia-5mg. my hight is 5'5 and weight is now 60 kg. so please advise me that the medicine have any side effect or not???? or is there any alternative high blood pressure which does not have any side effect.