Pain accompanied by loss of function. If you hurt your leg but can still walk, it’s probably a sprain, says Leap.
Chest pain. The expert notes that heart attacks do not always exhibit sudden, crushing pain. Dull pressure, dizziness, fatigue, or shortness of breath also are signs of a heart attack.
Sudden eye pain. Ryan says that eye pain that suddenly appears is an emergency. It could be a sign of internal bleeding, a blocked blood vessel or acute glaucoma.
Bleeding from the rectum. While colorectal cancer is often a “silent” disease, with no symptoms until it reaches an advanced stage.
Severe headache. Leap says that while the occasional headache is normally nothing to worry about, a severe headache,
Pain in one or both arms. This can be a sign of a heart attack, especially in women, according to the American Heart Association.