Diabetic and cat bite wound.

Patient: My uncle is diabetic and recently he was bitten by their pet cat on his palm. the wound doesnt look big. but after a couple of days the hand was red and swollen.Now he is under medication of antibiotics for 10 days . However he has severe pain in his legs esp in the night. the wound is being cleaned and dressed by a surgeon everyday.Please suggest some remedy for leg pain, cramps. Thanks in advance.

Symptoms: Symptoms were highfever, fatigue, leg pain and hand pain/