<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have a tooth abscess and its really painful. What medication do I need?  <response>: You need to take antibiotics to treat the infection. Penicillin, clindamycin or erythromycin can help. You can also use benzocaine topical to numb the pain or clove to soothe the area. However, if the abscess is severe, youll need stronger medication like lincomycin. 