Can MS continue for 30 years with only symptoms being dizzyness and hearing loss

Thirty two years ago when I was a 22yr old with 2 small children I was diagnosed with MS. The neurologist didn't tell me of the diagnosis, choosing to wait to see if symptoms reappeared. There was no reoccurence and eventually I left the area never knowing the diagnosis that had been made. Those early, and relatively severe, symptoms never reappeared but about 5 years later I began to have very brief episodes of dizzyness and began to loose my hearing. For the past 30 years the bouts of dizzynes have reoccured at intervalls of several months and my high frequency sensory neural hearing loss has gradually got worse.  I have had an MRI scan and no problem was seen. No reason for my hearing loss was ever established.

I have not had any other symptoms of MS and have led a very active life, however in the last few months I have felt concern over the increasing number of health issues that seem to have arrived together. These include more dizzyness and another reduction in hearing, a bout of bowel problems, sore mouth and itching throat, pain on swallowing, frequent mis-swallowing (not getting the timing right and choking on my food & biting my tongue) a couple of bouts of fatigue way beyond my normal 'tired' feelings.

As a result of this collection of events I managed to relocate my medical notes which had been left behind several years ago. It was only then that I read the MS diagnosis of 32years ago.

I brought up the possibility of a long term and relatively benign form of MS with my doctor but she virtually laughed at me.  Now I'm anxious and confused, Could this be a mild form of MS and if so should I try to talk to my doctor again and get treatment?  

I would really appreciate some advice

Sheila