What should I put on the wound now and do I need to see a doctor to prevent an infection?

If you have a wound, it's important to clean it properly to prevent infection. You can use a solution like Dakin, which is a mixture of boiled water and bleach. Apply a soaked compress of the Dakin solution to the wound, making sure to protect the surrounding intact skin with vaseline. Rinse the skin with boiled water after applying the solution. If the wound doesn't improve after a few days, you may need to see a doctor for possible oral antibiotics to treat the infection.