Lightheadedness is a feeling of ill-being with an impending sense of loss of consciousness
, which may or may not occur. When unconsciousness does not occur, it is merely called faintness. The lightheadedness can appear in different ways. It includes the inconsistent association of several symptoms such as sudden feelings of anxiety
underpinned by clinical signs, sometimes accompanied by pain
, difficulty breathing, the sensation of gasping for air, sweating, palpitations, and tingling. Discomfort is also evident through blurred vision with a black veil before the eyes, dizziness
, a feeling of general weakness, and impending loss of consciousness. There are many types of discomfort associated with different causes. Benign
during vagal malaise, the cause may be more serious as in cardiac discomfort, in which case it is called syncope
. The search for the cause of the lightheadedness is important in case of repeated episodes, or if a vagal origin is not certain to eliminate a serious issue, even though the majority of lightheadedness is vagal in origin .