Blocked ears.

It is driving me nuts.

I think it was about this time last year I was pregant and every morning I would wake up with a blocked ear or both. Alot of people thought maybe it was just a weird preggy thing. I was working around quite a few microwaves so I thought maybe taht was it.
I went to the doctor and she gave me a nasal spray for hay fever type of thing and booked me into a hearing clinic.
Spray didn't work only mad my MS even worse and hearing is perfectly fine.
I think it went away about a couple of months later before I had R.

But on Monday it came back just enough for me to notice it the Tuesday I was vomiting had a blocked nose ears etc and thought I had the flu. Then Yesterday I was completely fine and today the Blocked ears again.

I've tried every thing to unblock it you name it I've done it.
It seems mostly my left ear but its definately both of them. It's not sore just a slight  humming noise and funny hearing.

Any Idea's????