 [ Symptoms ] last year my right hand often had the cramp from the shoulder until the fingertips 4 months later my back felt slightly painful like period pain is 3 months after that the pain went upwards until the end of my neck near to my head it was painful to raise my head up this year 3 weeks before my chest started to feel heavy and hurtful both of my back and chest felt as if shards of glasses were slashing along the ribs and spine short of breath most of the time now my right leg the calf is having some sort of muscle cramp along the bone just like how it is like with my back i was told by friends that i walked unstably but i do not drag it though sometimes forgetful and emotionally unstable maybe due to the stress cannot sit or stand or lay down for too long i am getting thinner and lost 5 kg i eat a lot went for mri xray blood test urine test nothing next appointment i am going to have brain mri and emg any possibility of me having als what is wrong with me [ Disease ] i would say to get the shot just because you had the flu does not mean you wontcan not get it again