"Maybe he's just new," said Mary carefully, covering a sudden shortness of breath.

It does not work immediately and should not be used to relieve sudden shortness of breath or asthma attacks.

Your doctor must prescribe a quick-relief medicine/inhaler (e.g., albuterol, also called salbutamol in other countries) for sudden shortness of breath while you are using arformoterol.

But sudden shortness of breath, even if it is mild, should always be checked by your doctor.

This medication may also be used to prevent symptoms of asthma or to treat wheezing or sudden shortness of breath.

A pulmonary embolism causes sudden shortness of breath, rapid breathing, chest pain, and coughing up blood.

If wheezing or sudden shortness of breath occurs, use your quick-relief inhaler (such as albuterol, also called salbutamol in some countries) as prescribed.

A pulmonary embolism (blood clot in the lungs) can result in sudden shortness of breath.

Use your quick-relief inhaler (such as albuterol, also called salbutamol in some countries) for wheezing or sudden shortness of breath unless otherwise directed by your doctor.

Your doctor may prescribe a quick-relief inhaler for sudden shortness of breath/asthma attacks while you are on this medication.