Increasing redness around the cut
Warmth around the wound
Swelling that is getting worse
Pain that is increasing instead of improving
Pus or cloudy drainage
Bad smell from the wound
Skin around the cut becoming hard or tender
Red streaks spreading away from the cut
Fever
Chills
The cut is not healing or is getting worse
Swollen lymph nodes near the area
The wound opening up more
Black, gray, or dead-looking tissue
Feeling generally unwell