It's red, like a wound. It's not bleeding but there are transparent discharge. What should I use? Polysporin?

It is recommended to clean the affected area with water and mild soap, and then protect it with Vaseline or a zinc oxide-based paste like Zincofax extra strong. You can also consider using a hydrophilic dressing like Triad Hydrophile by Coloplast. If the situation does not improve or worsens after 5 days, it is important to consult a doctor.