Fainting is a sudden and brief loss of consciousness. A person who faints may appear dizzy, slump to the floor, fall, or “swoon”. Fainting can indicate serious disease (e.g. low blood pressure, anemia, stroke, TIA, low blood sugars, carotid disorder, circulatory disorder, etc.), but there are a number of simple causes that are non-serious (e.g. emotional shock). Feelings of faintness are common in pregnancy but your doctor may still need to check in case it’s a more serious issue. Feelings of dizziness and vertigo (room spinning) are very similar to fainting. Note that fainting can occasionally cause a serious injury from the fall, such as a head injury. See your doctor for a full diagnosis of faintness or any fainting episode.
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