There are many other symptom and disorder related sites on-line that you can try out I listed the ones that I found to be the most comprehensive and user friendly. Low price of wellbutrin vs lexapro is the best part about the internet. Physical symptoms of anxiety include: a racing heartbeat palpitations tension in your muscles, which may be painful stomach cramps feeling sick diarrhoea shortness of breath dizziness or feeling faint indigestion needing to go to the toilet more often than usual trembling or shaking sweating a headache numb or tingling fingers, toes or lips These symptoms may be caused by problems other than anxiety disorders.