I'm in a bit of a spot. I've run out of the medication that manages my Parkinson's symptoms and it seems there is little prospect of getting more for at least four days. When I was first diagnosed, the disease was mild enough for medication to mask many of the symptoms so effectively that some people didn't seem to notice. People with Parkinson's are described as being 'on' when they have taken their medication and that medication is active in their system. As the disease progresses, that 'on' period shrinks and we have to take our meds more frequently. Ten years on from that diagnosis I think most people that I encounter realise that something is not quite right even when I'm 'on'. The drugs effectively top up the dopamine that is lost as a result of Parkinson's so that my brain can continue to regulate what my body is doing. The difference between being off and on feels a bit like the difference b...