What Causes Dizziness Along With Ear Pain And Buzzing Sensation In Left Ear?

Dizziness, earache and a buzzing in my ears (especially in my left ear) ,pressure in my right eye,pain in my back teeth,I m always spitting Thick saliva and Some days the left side of my throat is so dry that Is hard to swallow ,and for the sleeping meds that the doctor prescribed I started with a pain in my right side like liver pain plus my reflux problem is getting worse with the reflux meds so I stopped taking the sleeping and reflux acid meds ,Today I started noticing pain in my lower back and tingling in my legs and pain in my ankles. ..What s wrong with me??? After six months Doctor s can t give me any diagnosis or treatment! !I research information over interne but there is so many options that it confused me even more!Is it Thyroid problems? Deficiency of vitamin? Vitamin D deficiency? C6 and c7 problems? Sclerosis multiple problems? Cervical vertigo? Tinnitus?Nervous system problem?Stress?Sinusitis? Back problem?Dental problem? Stomach problems?Stomach Ulcers?(MRI and ENT and Blood test and Gallbladder ultrasound came out normal) What is it that is causing me all this different symptoms in the same time?Help!