Anxiety: It is quite possible that it is from anxiety. If you have had a pulmonary evaluation from your lung doctor and a full check up by cardiologist and your blood count and thyroid are fine and you are not overweight and exercising, then you may have anxiety.
Answered 12/18/2013
5.2k views
5 doctors weighed in across 3 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question