Let me tell you my experience: I was suffering from muscle twitching all around my body. And some of the twitches will stay longer time(like couple of days). I was so frightened, espeically if you put "intermittent twitching" on google and kind of things would show up. Looking and searching on internet was making my twitching worse. My doctors diagnosed my condition as panic/fear/anxiety attacks with severe social anxiety. I didn't want to take any of the medicines (especially those xanax and plavix, which have unknow side-effects). So I decided to follow healthy schedule:
eat lots of fruits, green vegetables
take fish oil supplements
20 mins of daily exercise
yoga/meditation (espeically the buddhist meditation techniuques of mindfulness and concentration)
It wasn't easy and my twitching didn't go away immeditaly. But after two years of adhering to schedule, I can now say that muscle twitching is behind me. My doctors consider it as growth of mind (nuero-genesis). So, Make sure you talk to the doctor and get yourself checked-up. But once tests are normal, know that you can beat it. Hope this helps!