Have you spoken to your GP about your diagnosis and your prescriptions? Maybe he/she would be willing to prescribe them, without referring you to a specialist. When I've received a prescription from a hospital doctor, it has actually been just a letter which I needed to give to my GP. He has then written the official script, to be handed to the chemist. So, I'm thinking the process might be straight forward.
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"We act as though comfort and luxury were the chief requirements of life, when all we need to make us really happy is something to be enthusiatic about." Charles Kingsley