Cant hear correctly after flying

I recently had a cold and had 2 connecting flights 1st flight was 1 hour and 2nd flight was 2 hours, I fly regularly and never had any trouble.
this time on both occasions when the plane started to land i was in absolute agony with the pressure in my ears.
i arrived at my destination 3 days ago and i now cannot hear properly feeling like i have water in my ear like when you go in the bath and the water wont come out, im not in any pain just a totally irritating feeling.
Is this normal ??? or do i need to seek medical advice, any suggestions would be great. Thanks.......