I have taken Mrs D's advice and now take magnesium citrate in powder form every day for cramping and this has been a great help. I have suffered with severe foot, ankle, leg and hand cramps which my neuro feels is due to my PN. No one else has a better explanation for them. However when I get a very bad day of cramp and it looks as if it is going to keep me awake that night (probably walking around the bedroom on and off through the night) then I have with my doctor's approval, quinine bisulphate tablets on hand. I take just one 300mg tablet when the cramp is at its worst and it gives me about ten to twelve hours of considerable relief.

As for the quinine in tonic water - as Mrs D has indicated - forget it. You would need a crate full

Tony