The symptoms you have can be due to various causes-
,gastritis-following aheavy &spicy food Or fast.
*Middle ear infection-with sinusitis
,toncillitis, wax with H/O pinning etc.
* depression&psychological stress
* Tab promethasinetheoclate 25 mg 1 tab 2 times a day can be taken with advice of your GP -&checking B.P.
* take a bland,nurishing diet in small &frequent servings.
* consulting an ENT surgeon is sometimes needed
Take care. .