Im 13 years old and for the past few weeks ive been getting constant headrush. My parents have suggessted that its all the water i get in my ears from swimming everyday, but i dont think its right. I usually get it after walking too fast, sitting up or laying down quickly or making very sudden movements. When i get it, its sharp pain for about 3-5 seconds.

Does anyone else experience this? If so, what is it from? How to cure it and if possible how u control it.

Thanks for your help!!