Anxiety is being worried or nervous. Anxiety is often normal. For example, many people are anxious when they're having money problems, trouble at work, or family difficulties.
However, you may have an anxiety disorder if:
Having a little anxiety can help you focus, but having a lot makes it hard to do things well.
In addition to being anxious, you may feel short of breath, dizzy, and sweaty and have a fast heartbeat
Some medical problems can cause anxiety (for example, heart disease, lung problems, or an overactive thyroid gland)
Many drugs can cause or worsen anxiety (for example, amphetamines, caffeine, cocaine, and corticosteroids)
People with anxiety are more likely than other people to have depression
Doctors treat anxiety disorders with medicine and therapy
Doctors examine you and ask questions about your symptoms. Doctors consider other disorders and diseases that have signs and symptoms similar to anxiety. If they don't find another cause, doctors diagnose you with an anxiety disorder if your anxiety: