Last night I woke up with the worst leg cramp. it was the most painful thing I have ever had! It lasted a few minutes then went away but I could feel my calf just wanting to seize up again so I didn't dare try and flex it like I was doing. I got up in the morning and it was still the same and felt like a big tight knot in my calf. Well I thought after walking around most of the day that it would have went away! NOPE! I just got back from my nightly walk and the whole time my calf was feeling like it was going to seize up then not long before getting home my other one felt the same! I have never had them before or anything like this! My calves just honestly feel like they want to spasm at any minute!!

Any advice?