Symptoms continuous headaches, constantly tired, bit of nausea every now and then, find it hard to be standing for too long, feel ligh headed, find it hard to concentrate. Currently taking Escitalopram 20 mg 1 per day and Pantoprazole 1 x per day 40mg, have also been on a 7 day course of Metronidazole 400mg. Generally felt unwell for quite some time.