It is recommended to consult a doctor if you have an infection on your upper lip that is getting worse, with symptoms like yellow/wet scabbing, swelling, and pain. An antibiotic treatment may be necessary. If you cannot get an appointment quickly, you can visit a website to schedule a medical appointment promptly. You can also go to the pharmacy for a pharmacist to assess the lesion and guide you on proper treatment or recommend a medical consultation if needed. If the pain and swelling worsen, you develop a fever, or feel unwell, it is important to go to the emergency room.