How do u know if you have an infected toe?

See a doctor: Infections usually present with swelling, redness and sometimes drainage if there is an opening in the skin. Infections are typically due to bacteria and usually are treated with antibiotics.

Pain, swelling, red: Pain, swelling redness are signs of a local infection. People may later develop systemic signs of infection which including fever and chills if the infection is severe.

Infected or not : Basic signs of local infection: pain, redness, inflammation, warmth.