Hello Friend, Good that you are seeking a help here. Anxiety is quite common at your agestudies, but important to note what's is the cause for it. It could be due  your exam, relationships, general behavior etc. If you feel its affecting your day-to-day life, then don't hesitate, take a professional help. Consult a counselling expert directly or online to assess your suitation and recommend suitable suggestions. Feel free to reach me online for further assistance.

Tremors, feeling anxious or nervous, sense of panic, sweating, increased heartbeat, feeling of impending doom, stomach discomfort, dizziness etc are signs of anxiety. These can be debilitating. If the anxiety is overwhelming, consult a Psychiatrist at the earliest. With the right medication and counseling, it is likely your symptoms will improve.