Does the tetanus diphtheria and polio injection hurt?

Yes, the tetanus diphtheria and polio injection can cause pain at the injection site. The pain is usually mild to moderate and goes away within a few days. Some people may also experience swelling, redness, and tenderness at the injection site. In rare cases, the pain can be severe and last for several weeks. If you experience severe pain after receiving the tetanus diphtheria and polio injection, you should see a doctor.