Hiya,
What A levels are you actually taking?
While doing Biology/Chemistry would definitely make it easier for you to apply to Medicine - Newcastle will take applicants with no Science background, if that’s feasible for you. (I’ve attached links below)
If you’re going into Y13 this September, then you’ll need to sit UCAT for Medicine at Newcastle Uni - have you booked this/looked into it?
If not, then you’re probably best to take a year out to think about your Medicine application, especially getting WEX and get some advice around sitting Chemistry/Biology A level.
Hope this helps, get back to me with any questions! 😀
https://www.ncl.ac.uk/undergraduate/degrees/a100/