I've been on 10mg/day Amlodopine since 2003 and never suffered any change to night time urination. That said, I do have very slightly swollen ankles (almost negligible) but none of the other side effects listed above. I flew the last twelve years of my professional career with it and frankly have BP readings that are so low that I would like to come off it. Sadly both my AME and GP are aligned on the 'If it ain't broke don't fix it' approach' so I don't think they'll let me.
Any change in Nocturia is more likely to be related to ageing and prostate size, along with altered personal tolerances to the bladder when asleep.