Hello,
The description provided by you here is suggestive of clinical condition Social Anxiety disorder. However a comprehensive assessment is likely to be required to exactly understand the condition and it's correlates.
The first step that you can take, is to seek a consultation with a psychiatrist for detailed assessment. Thereafter a comprehensive management plan can be formulated for you. Some basic investigation like
thyroid, hemoglobin etc may be required. A management plan is likely to be a combination of medication and psychological intervention for condition as described by you.
Hope this helps you. Be assured that your condition is treatable and help can be provided to you if you seek the first step...
Best wishes for your health and future...