Hi Dr How Do U Do?? I Need To Ask

hi dr how do u do?? i need to ask u a question ....i m 36weeks+ pregnant having pain in lower abdomen ....its my 2nd pregnancy ....having scissor in frst pregnancy..... thats y feel lots of burdon at lower abdomn nd also having severe pain in under legs bones in front side.....so my dr suggest me duphaton nd ventolin for one week.....is it safe or not plz tel me detail thx .....