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When to Call the Doctor

When to Seek Medical Care

See a health care provider as soon as possible if you develop any of the following:

  • Any symptom of lung cancer
  • New cough or change in an existing cough
  • Hemoptysis (flecks of blood in your sputum when coughing)
  • Unexplained weight loss
  • Unexplained persistent fatigue
  • Unexplained deep aches or pains

Go immediately to the nearest hospital emergency department if any of the following occur:

Recommended Related to Lung Cancer

Stage IV Lung Cancer With Anaplastic Lymphoma Kinase (ALK) Rearrangement

This type of lung cancer is rare, and it often happens to people who aren't smokers. Although there isn't a cure, there are treatments for it that can slow down your cancer and help you feel better. "Stage IV" means that the cancer has spread beyond the lung where it started. It may be in your other lung, too, or in the fluid around your lungs, or somewhere else in your body. The "ALK rearrangement" part of the name is about a gene called ALK. If you have this type of lung cancer, your ALK gene...

Read the Stage IV Lung Cancer With Anaplastic Lymphoma Kinase (ALK) Rearrangement article > >

  • Coughing up a large amount of blood
  • Sudden shortness of breath
  • Sudden weakness
  • Sudden vision problems
  • Persistent chest pain

WebMD Medical Reference from eMedicineHealth

Reviewed by Varnada Karriem-Norwood, MD on May 02, 2014
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