Could anxiety cause severe muscle spasms for last 48 hours? anxious from getting tetanus from cut could this cause spasms?

Yes: Anxiety and a number of other things[depression, diet, weather] may increase the perception of pain. Anxiety is more likely to affect muscle tone and thus increase the pain perception in musculur-skeletal pain perception.

Muscle spasms: Hyperventilation resulting from severe anxiety may cause paresthesias and muscle spasms. Tetanus can cause muscle spasms too. If you've been exposed to tetanus and your last immunization was over 10 years ago, you need a new shot. Since it's thanksgiving, your doctor's office is not likely to be open. You could get this at an er or urgent care center instead. Be well.

Yes: Either condition can produce spasms, but you need to see your doctor to ensure tetanus is not the issue