Retaking an a level next year?

Hey guys,

I know that i havent got my results yet but i know i havent done as well as i could have. Ive revised hard in and out of class from the start of the year, and was doing excellently in past papers. However, recently my mental health has been deteriorating. Ive suffered with anoreixa for two years, and as of this year have been suffering with anxiety and low mood. As a result, in the actual exams i freak out and lose concentration. I know that im not going to get the grades that i need, particularly in one subject of where my anxiety was particularly bad.

With regards to retaking the subject or subjects next year what are my options. I know the course that i want to do and the uni that i want to go to. The exams i did were OCR old specification, but i am aware that i will be able to take these exams next year as the timetable for next summer has already been published. I feel like i would be okay with studying on my own as i am very determined and motivated. However, i still feel like i will need some sort of support from teachers e.g. to ask about any queries, to have papers/work marked etc. I dont think i will be able to do this at my school because they are now studying a new specification on a different exam board, therefore there will be no classes for the old specification on the exam board my exams were with.

What are my options?

Thanks for any help