The generalized systemic reaction you are describing with fever and redness can be quite serious. Although it is unlikely that one month later it could be caused by your injections, I would return immediately to your dermatologist for examination to see what the cause of your reaction is. ...
Botox and the dilution is a standard procedure. If you are concerned that the nurse may have improperly diluted the Botox you should contact the office immediately. If your results are not as expected after two weeks then there should be new Botox injected to you at no cost.
Botox effects motor nerves that innervate muscles in the face. You should not have sensation deficits following Botox injections. I also cannot explain why you are having fatigue. I would follow up with your doctor to ensure that further workup is done if necessary.
