There is no problem and no loss of effectiveness in your situation. You can be reassured.
Taking a tetanus toxoid (TT) injection in one arm and then receiving anti-rabies vaccine (ARV) intradermal boosters in the same arm after a gap of 5 days does not reduce the effectiveness of either vaccine. The recommendation to use different arms is mainly to reduce local pain, swelling, and confusion about injection-site reactions, not because the vaccines interfere with each other immunologically. TT and ARV act through different immune pathways, and giving them in the same limb does not cancel or weaken immunity.
Regarding ARV intradermal boosters, it is perfectly acceptable to give both Day 0 and Day 3 doses in the same arm if needed. Intradermal rabies vaccination works by stimulating local immune cells in the skin, and the immune response is systemic, not limited to one arm. Therefore, administering both booster doses in the right arm (or the same arm) is still fully effective and does not require repeating or shifting doses.
In summary, there is no error, no reduced protection, and no corrective action needed. Your TT and ARV boosters will work as intended, and you are adequately protected.
Answered2025-12-13 11:25:43
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