I just made the hot chocolate by adding water, but I did use two sachets in one cup, as it tastes better. I believe the effect is accumulative as I have been drinking it for about five days now. I am not very well versed in how MG relates to low calcium levels, but I thought there was a connection, and so, given that tetany can be caused by low calcium levels, I thought it might be related?

I found that the symptoms came on very quickly, within twenty minutes of drinking the hot chocolate. I found that the symptoms were relived just as fast, about two hours later, half an hour after eating a piece of dry toast. I am not allergic to milk and drink it every day in coffee and have never had a problem. Tetany is a neuromuscular problem isn't it? Or am I confused here. Please feel free to put me right.

If the hot chocolate isn't the cause, then what is? I find it very alarming that I can go from one state (very fatigued muscles, barely able to move or speak) to pacing up and down the room. I also find it hard to believe it is just due to the hot chocolate because surely something so inocuous can't cause such an extreme reaction? I am even right is assuming these symptoms are tetany?