If you have a low blood pressure, low hematocrit and hemoglobin, you need to have a blood transfusion.

Yes, low blood pressure may sometimes result in headache.

No, it causes low blood pressure

The most common low blood pressure symptoms is low sugar levels. Weight loss, headaches, dizziness and there are other symptoms that causes low blood pressure level.

high potassium causes arrhythmias and the arrhythmias that it causes can reduce blood pressure causing someone to collapse.