Lung Cancer Symptoms And Warning Signs To Look Out For

Medically Reviewed by Dr. K on 30 March 2021

Lung Cancer Symptoms: What You Should Know

In the early stages of lung cancer, there are typically no signs. When symptoms of the disease begin to emerge, they can include:

  • Chronic coughing
  • Mucus with blood in it
  • Changes in a cough that you’ve had for a long time
  • Frequent respiratory infections, like bronchitis or pneumonia
  • Shortness of breath
  • Wheezing
  • Chest pain
  • Hoarseness of voice
  • Swelling of the neck and face
  • Pain and weakness in the shoulder, arm, or hand
  • Fatigue
  • Weakness
  • Unintentional loss of weight
  • Loss of appetite
  • Fever that comes and goes
  • Headaches
  • Body aches and pains
  • Difficulty swallowing

These issues typically arise as a result of blocked breathing passages or as a result of the cancer spreading farther into the lung, surrounding areas, or other parts of the body.

Warning Signs To Look Out For

See your doctor if you have any of these symptoms of lung cancer, particularly a persistent cough, blood-streaked mucus, wheezing, hoarseness, or a persistent lung infection. You’ll have a thorough examination, as well as X-rays or other tests.

If you experience any of the following symptoms, go to your nearest emergency department immediately:

  • Coughing up a large amounts of blood
  • Sudden shortness of breath
  • Sudden weakness
  • Sudden vision problems
  • Chest pain that does not go away


Referenced on 30.3.2021

  1. National Cancer Institute.
  2. National Institutes of Health.
  3. Mayo Clinic: “Lung Cancer."
  4. eMedicine: “Lung Cancer.”

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