A member asked:

Had a tetanus booster 3 years ago. accidentally cut my finger on the back of a window ac unit on the metal on the back last night. cleaned it and put antibiotic ointment. do i need to be worried?

2 doctors weighed in across 2 answers

There is no need to worry about tetanus with the scenario. Keep the cut clean and cared for as you are doing, I hope it heals soon.

Answered 6/15/2022

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A tetanus booster can last for ten years, so you are well protected. Your self treatment is correct, you can also put antiseptic liquid on area. The tetanus spores can live up to almost 40 years in dirt and soil.

Answered 6/15/2022

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