Nige Interesting. Of the five categories the only one which seems relevant to me is the third. It mentions heart medications, ramopril and beta blockers.
I am on ramopril to control BP which also dehydradrates according to the article. I am also on diuretics, ostensibly for the same reason namely dehydration, but it also affects the BP as well. So it is the way around! Swelling on the ankles are caused by excess fluid and this can raise the BP. The diuretic also explains the night time activities(!), and one can be quite thirsty in the morning! Indeed, I can drink up to six pints of water during the day, or more sometimes. The doc was very concerned by this amount, but I said that diuretics surely means the loss of fluids and I cannot be expected to maintain the usual four. Overnight water loss is always a major problem. She bought that and agreed, but did say that I needed to watch my minerial intake, including salt. In the last few days I have also been given some beta blockers - this is their initial attempt to do something about my right arm tremors. Beta blockers not only dehydrates but it also lowers the resting heart rate. I was allowed up to three tablets daily, but this lowered my resting heart rate to 38! I am usually 45 at the very very minimum, so I have decided just to try two for now to see how it goes. The BP isotherwise acting normally, and nothing obvious has changed with the dehydration though. It will be easier when it is cooler, though.
This all a bit complicated….and it is a case of watch this space. In the meantime I am reading Stronger after Stroke, which is very positive, and is hopefully correct in its views.
[Updated and added to: 30/6/2025 11am]