Should I go into engineering field or pharmacy field?

These subjects are very different. Yes, you need a career that offers you a good future; however, these are not similar careers. I encourage you to research careers more. Also having a couple of online career tests would be beneficial. I left a couple below.

https://www.careerfitter.com/free_test/careerbuilder/test
http://www.yourfreecareertest.com/