What should I do after picking up some dirty needles

Patient: What should I do after picking up some dirty needles at a Walmart parking lot. Should I be worried

Doctor: Hi.Thanks for your query.You have a history of pricking some dirty needles.First of all you should take the boo ster dose of Tetanus toxoid.Keep the puncture site under observation and get a course of antibiotic.I hope this answer helps you