Important: VAERS reports alone cannot determine if a vaccine caused an adverse event. Reports may contain incomplete, inaccurate, or unverified information. Correlation does not equal causation.
Haematochezia appears in 3,038 VAERS reports across all vaccines. Of these, 38 reports also mentioned death and 1,019 involved hospitalization. The severity rate (deaths + hospitalizations as a percentage of reports) is 34.8%. The top vaccines associated with this symptom are RV5, HIBV, PNC. Remember: VAERS reports show temporal association, not causation.
Haematochezia has been reported 3,038 times in VAERS from 1990 to 2026.
Of these reports, 38 were associated with death (1.25%) and 1,019 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Haematochezia is 34.8%.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.