What is the lowest blood pressure that can cause...

What is the normal blood pressure reading ?
accepted range : 110-130 / 70-90
ideal range : 120/ 80 
What is the risky low blood pressure ?
lower than 90/50 
What is the possible causes of low blood pressure  ?
1. life style ( normal )
2. hypothyrodisim 
3. medication side effects 
4. other causes such as diet and chronic diseases
5. unknown cause
Can low blood pressure make you die ?
temporary low blood pressure may lead to organs injury due to low blood supply then no oxygene then no function then cell death , but its doesnt cause death directly , severe and prolonged low blood pressure can cause that 
How to treat low blood pressure?
1. redo the blood pressure reading for at least 3 times in sperate occasions 
2. consult an internal medicine doctor and show the readings to him/her , to determine the treatment thearpy 
3. have a healthy life style including : healthy food , avoiding stress , sleep well , exercise
4. make sure that you are not taking any medications cause low blood pressure as a side effects 
5. doctor may prescribe some medication to increase your blood pressure if its symptomic such as : Fludrocortisone or Midodrine