Femur or Tibia: Sprinting Speed Impact

Maybe there is an infection in your foot. When your skin is pierced, bacteria may enter and cause swelling. The symptoms you are having such as feeling sick to your stomach (nausea), throwing up, being unable to have a bowel movement (constipation), headache, and having a high temperature could be due to the infection moving around. Quick treatment with antibiotics and other drugs from a doctor is needed so that you can get well soon. 

If you ste­p on a nail, wash the spot with soap and water right away. This cleans the­ cut. Then put a new bandage on it. Che­ck the cut every day. Look for signs of infe­ction. That can mean redness, fe­eling hot, or pus coming out. If you see those­ things, go to the doctor fast. They can give you me­dicine to keep the­ infection from getting worse.

The knee pain on the outer side might be from some trauma or strain. The hurting of the neck and the spinal cord can be from bad posturing and muscle tension. You need to let that affected region recover, apply ice to the area, and do light stretching with the injured or painful part. Always keep your posture in the right way and make more decisions to reach out to a physiotherapist as a part of your strategy to get better quicker.

Muscle knots are usually caused by stress. Stress & tension later develops in the form of muscle tightness and discomfort called muscle spasms.
Regarding your slightly high lymphocyte count, if your doctors have reassured you that it is not a cause for concern, it's generally best to trust their expertise. Minor variations in blood cell counts can occur without indicating a serious health issue.

Back troubles can be a result of improper posture, bearing heavy loads, or remaining seated for a long period. Tension and not drinking enough water can be the reasons for headaches. The urge to urinate in the middle of the night might be a bladder issue. To recuperate, begin with simple training, increase your water intake, and get to bed earlier.