Hey. There are a plenty of options that you have after class 12th of you've completed it in Medical stream.  Here are a few courses that you go for other than MBBS BDS.

BAMS

BHMS

BUMS

BVSC

Nursing

Physiotherapy 

Radiology 

Bsc in various streams like Chemistry, Physics, Biology, Zoology, Forestry etc Paramedical Courses

Other than this you  can also change your stream if you wish like and go for BBA, BCOM, BA, Hotel management, Law, Management, fashion Design courses, event management courses etc.

Best of luck