Low blood pressure Causes and types of low blood pressure Low blood pressure A lot of doctors divide hypotension into some categories, depending on a lot of factors. so you must be in familiar with the types of hypotension and causes of low blood pressure too. for preventing of this disease. Causes of low blood pressure The cause of low blood pressure may be associated with the following: Abnormal heart rhythms. Hormonal problems. Pregnancy. Diabetes. Some over-the-counter medications. Heart failure. Dilation of the blood vessels. Heat exhaustion or heat stroke. Liver disease. Causes of sudden drops in blood pressure include: Low body temperature. Loss of blood. High body temperature. Severe dehydration. Some prescription medicines. A reaction to medication. A reaction to alcohol. An irregular heartbeat. A severe blood infection. Types of low blood pressure A lot of doctors divide hypotension into some categories, depending on a lot of factors. Types of hypotension include: Low blood pressure on standing up. It occurs when you stand up suddenly from a sitting position or when you lie down.so It may cause a sudden drop in blood pressure. Gravity works as blood pool in your legs and it occurs when you stand. your body usually compensates by constricting blood vessels and increasing heart rate. but this doesn’t apply with people has orthostatic hypotension. because the compensating mechanism is failed and that leads to even fainting, dizziness, blurred vision, and lightheadedness. Reasons for orthostatic hypotension such as diabetes, prolonged, dehydration, bed rest, heart problems, excessive heat, pregnancy, burns, certain neurological disorders, and large varicose veins. A lot of medications also can cause occur orthostatic hypotension, such as drugs like which used to treat high blood pressure, diuretics,angiotensin-converting enzyme inhibitors and calcium channel, in addition to drugs used to treat Parkinson’s disease, erectile dysfunction and antidepressants. older adults are more susceptible to orthostatic hypotension. However, orthostatic hypotension also affects young, otherwise healthy people when people stand up suddenly after squatting for a time or sitting with their legs crossed for a long time. when signs and symptoms developing 5 to 10 minutes after a change in posture that means to be possible to have delayed orthostatic hypotension. It may be a milder form of the condition or an early stage of it. Low blood pressure after eating effects mostly to older adults. after you eat, the blood flows to the digestive tract. your body usually constricts certain blood vessels and increase the heart rate for helping maintain normal blood pressure. But this process may fail with some people and lead to faintness, dizziness and fail. Ordinarily, Postprandial hypotension affects people with autonomic nervous system disorders or high blood pressure. Mostly, Eating small, low-carbohydrate meals and lowering the dose of blood pressure drugs can help for reducing symptoms. Low blood pressure occurs from faulty brain signals. after standing for long periods it may cause a blood pressure drop and it affects young adults and children by a larger percentage. a miscommunication between the heart and the brain are the causes of that occurs. Low blood pressure due to nervous system damage which controls involuntary functions such as breathing, digestion, blood pressure and heart rate.