What Causes a Person to Feel Lightheaded?


Quick Answer

The most common causes of feeling lightheaded or dizziness include allergies, anxiety and stress, illnesses such as cold or flu, fever, vomiting, diarrhea, dehydration, hyperventilation and the use of alcohol, illegal drugs and tobacco. Bleeding is another cause of lightheadedness, according to WebMD.

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Full Answer

Various medications can cause lightheadedness, including prescription and nonprescription applications. Ongoing lightheadedness may be a sign of a more serious illness that requires medical attention. An ear condition is also known to cause dizziness in some situations . Dizziness is often accompanied by other symptoms, which include vertigo, headaches and fainting. If the symptoms do not disappear on their own or reoccur frequently, seeing a doctor is recommended.

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