Help me plz

[JABRAN1]

I have an anxiety problem doctor gave me citalopram 10mg to take but after taking them for two day I have decided to withdraw these because my anxiety went worst side effects seem scary.it's been couple of days after quiting them the problem is my blood pressure normally be around 130/87 and heartbeat around 90bpm.my blood pressure dropped significantly checked today morning it was 96/66 .60bpm then went little up to 102/70.I just want to know why this happened even after i stopped taking them?if it's the ssri medicine effect on blood pressure it should have been fine as i said i stopped taking them.can anybody please answer this .many thanks