It's not just your ears that react to loud music especially deep bass. Your entire body senses the vibrations through your nervous system. Even if you are deaf, the effect is highly stressful. Your body senses an outside presence and marshals its defenses meaning the entire panaply from secretion of hormones to activation of antibodies.

Anything which affects the function of the inner ear will cause dizziness, disorientation, and nausea. I know someone who is constantly on Antivert, a drug used to alleviate the symptoms. He has almost no hearing in one ear and problems with his inner ear due to a childhood infection. You can get a ringing in your ear from many causes. And you can have it even when you are completely deaf. And for some people it never goes away and there often isn't much medical science can do about it. Now what about cranking that amp?