This article covers “acute” bronchitis. This is different from ... But your doctor or nurse might do a test, such as a chest X-ray if the cause of your cough isn’t clear.

Bronchitis may cause you to cough up blood ... But they may order tests, like a chest X-ray, to rule out pneumonia and other possible causes. For massive hemoptysis, where you cough up a lot ...

your doctor may order a blood test to check for signs of an infection or a chest x-ray to look at your bronchial tubes for inflammation. While you can get the virus that causes acute bronchitis at ...