Hi, I am a 23 year old male, otherwise in good physical condition. My only other health issue is that I have suffer from occassional vertigo due to orthostatic hypotension. I write because I am very scared regarding my health. Over the past 3 to 4 months, I began suffering from hand tremors. The neurologist performed thyroid testing and copper testing for Wilson's disease, said it was nothing serious (Parkinson's, etc). He said it was essential tremor. However, within the past 2 months or so, I have been experiencing twitching in different parts of my body... forearms, triceps, biceps, hamstrings, quads, upper back. These twitches come and go, typically do not remain once I move the muscle. They are also very noticeable twitches, not tiny snakelike movements like I heard are typical of ALS. I have not experienced weakness, however, as I try to exercise (cardio and light weight training) on almost a daily basis and do it without a problem.
However, what has me most worried is that for about a week now I have been experiencing tightness in my neck, and now I feel like the left side of my face/mouth is very tight. I look in the mirror and my face looks symmetrical, no drooping. I also do not have asymmetrical movement of my face. But nevertheless i feel very tight on the left eyebrow, cheek, and jaw. My upper lip also twitches sometimes. Now I also feel tightness on my second toe on the right foot, and often my right big toe twitches as well. I also feel tightness on the inside part of my right knee.
I have had a brain and IAC MRI done (for above mentioned dizzines), and it was normal. I have been under a lot of stress lately, as i have had some family / work problems. This may be stress/panic/anxiety. Also, my grandmother suffers from Fibromyalgia, which may also cause some of these symptoms. I am not taking any medications at the moment. I am terrified that this could be ALS, possibly bulbar onset. Can anyone give me some advice or thoughts? Thanks so much.