Personalised Electronic Record Supported Optimisation When Alone for Patients With Hypertension

Amlodipine 1mg/ml Oral Solution; starting dose 1-2mg per day for patients not on amlodipine at entry; starting dose equivalent to current dose for patients on amlodipine at entry or at next 1-2mg dose step (according to clinical need based on the Investigator's judgement). Investigation of whether gradually increasing the dose of liquid amlodipine (can be an add-on to existing amlodipine tablets) in small increments (e.g. 1-2mg) will enable blood pressure control within the sequence 1mg, 2mg, 3mg, 4mg, 5mg, 6mg, 7mg, 8mg, 9mg to a maximum of 10mg amlodipine per day.