To prevent a finger wound from getting wet, it is recommended to use a non-adherent gauze that can be covered with a waterproof bandage. It is important to avoid using Vaseline and instead apply an antibiotic cream like Polysporin to prevent infection. Consult with a pharmacist to determine the most suitable type of bandage and whether medical attention is necessary. Remember to wash the wound with soap and water twice a day and change the bandage daily, especially if there is any discharge. Be cautious of maceration, as it can increase the risk of infection and hinder proper healing. Ensure a balance between moisture and absorption of wound discharge.