Stomach pain or nausea
iStock/svetikd An upset stomach is so common it will rarely mean you have cancer. But if you notice persistent stomach cramps or are suddenly nauseous all the time and it’s not getting better, see a doctor. It could turn out to be something as simple as an ulcer, but it could also be a symptom of leukemia or esophageal, liver, pancreatic, or colorectal cancer. These are 15 things cancer doctors do to prevent cancer themselves.
Frequent fevers or infection
MinDof/Shutterstock If you’re usually healthy but notice yourself getting sick or feverish more frequently, it could be an early sign of leukemia. Leukemia is cancer of the blood and triggers the body to produce abnormal white blood cells, sapping the body’s infection-fighting abilities by weakening the immune system. Pay attention to flu-like symptoms, like achiness or fever, which don’t go away. You should also pay attention to these early throat cancer symptoms.
iStock/ChesiireCat A sore throat can make swallowing hard or painful, but if you notice it persists for a few weeks and gets worse, see your doctor. This is a common sign of throat or stomach cancer and could also be an early sign of lung cancer. Find out how to tell if difficulty swallowing is related to thyroid cancer symptoms.