Taking Furosemide causes washing away potassium stored in a body, that is very important for maintenance of normal vital activity.
Furosemide can make you feel slight dizziness, faintness or nausea standing up after sitting or lying down. At standing from a bed you are rather first slowly put your feet on the floor and stay in such position for some minutes; then accurately stand up. At standing after sitting you should slowly stand up and stay near the chair for a while till you are sure that you do not feel dizziness.
