Hi worried, 20mg of Citalopram is a low dose and amongst the side effects are,,,tiredness, lack of appetite or the opposite and a feeling of agitation. This is down to the Cipramil causing extra surges of adrenylin in your system. Cipramil is the only SSRI that causes this problem but it should wear off within 2-3 weeks of starting on this AD. Im a moderator for a support group,another SSRI, Seroxat. If I can help in anyway at all you can mail me at delia2_2@hotmail.com thats not my real name btw. xx