Skip to site navigation Skip to Content This content does not have an English version. This content does low carb flour have an Arabic version. Brain tumor, breast cancer, colon cancer, congenital heart disease, heart arrhythmia. What’s considered low blood pressure for one person might be OK for someone else.

Low blood pressure might cause no noticeable symptoms, or it might cause dizziness and fainting. Sometimes, low blood pressure can be life-threatening. The causes of low blood pressure range from dehydration to serious medical conditions. It’s important to find out what’s causing low blood pressure so that it can be treated, if necessary.

This is a sudden drop in blood pressure when standing from a sitting position or after lying down. Causes include dehydration, long-term bed rest, pregnancy, certain medical conditions and some medications. This type of low blood pressure is common in older adults. This drop in blood pressure occurs 1 to 2 hours after eating. It’s most likely to affect older adults, especially those with high blood pressure or autonomic nervous system diseases such as Parkinson’s disease. Eating small, low-carbohydrate meals, drinking more water, and avoiding alcohol might help reduce symptoms. This is a blood pressure drop that happens after standing for long periods.

This type of low blood pressure mostly affects young adults and children. It might result from miscommunication between the heart and the brain. Multiple system atrophy with orthostatic hypotension. Also called Shy-Drager syndrome, this rare disorder affects the nervous system that controls involuntary functions such as blood pressure, heart rate, breathing and digestion. It’s associated with having very high blood pressure while lying down. For some people, low blood pressure may be a sign of an underlying health condition, especially when it drops suddenly or occurs with symptoms. A sudden fall in blood pressure can be dangerous.