Head Ache @ 2nd Trimester

Normal po ba na magkaroon ng sobrang sakit na ulo ngayong 2nd trimester? I'm a first time mom and I'm currently at my 18 weeks and 1 day today. Ngayon lang sumakit ulo ko ng ganito. Ano po kayang pwedeng inumin na gamot? I tried paracetamol but it didn't work.