Thank you for writing to us.
4 years is too much of a gap when dealing with a tetanus infection. Please see a Doctor and get the vaccination done. A gap of up to 1 year is usually okay when dealing with tetanus.
The vaccine will have antibodies that fight the disease as well and prevent it.
Hope this helps you. All the best.
These Q&A’s are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.