Water trickling sensation on my ears and neck

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This has been happening for the last few days and I have no idea what it is! It feels like stray trickles that run into your ears and down your neck after you haven't wrapped your hair in a towel properly after washing it - but when my hair is bone dry and hours after my shower. The first couple of times I thought I thought my ears had been a bit blocked and then the water escaped but there was no water there. Now I am feeling it trickling down the side of my neck but nothing is wet. It's very strange.
No headaches/visual disturbance, don't get migraines and not prone to headaches in any fashion.
What on earth is it??

Could it be a trapped nerve? Is it only on one side of your neck?

I get this in my buttock and previously had it in my right thigh and my GP said it was a trapped nerve. It's most disconcerting because it happens at the oddest times and feels like you've sat in warm water. Whatever you do don't google it , I did and it said it was a common early symptom of MS , hence my visit to the GP !

I had this a few years ago but down my right leg. I could SWEAR I'd spilled hot tea down my leg! It lasted for around a month, hourly or so and then disappeared. Trapped nerve I think x

I get this too. Once it actually felt like a bucket of water had been spilled, but normally the odd trickle - and yes, the feeling that you are sitting in a puddle. The ones I hate are the scalp crawlers though. Just a nerve thingy (and I had full testing for MS as had this with lots of other scary symptoms all together a few years back).