🇺🇸 Haemophilus Influenza type b vaccine in United States
20 US adverse-event reports
Marketing authorisation
FDA
Status: approved
Safety signals — FAERS
Adverse reaction reports describe suspected side effects. A report does not mean the drug caused the event — co-medications, underlying disease and coincidence all contribute.
Window: 20 April 2025 – 20 April 2026
Total reports: 20
Most-reported reactions
Anaemia — 2 reports (10%)
Diarrhoea — 2 reports (10%)
Diarrhoea Haemorrhagic — 2 reports (10%)
Drug Ineffective — 2 reports (10%)
Enterocolitis — 2 reports (10%)
Faecal Calprotectin Abnormal — 2 reports (10%)
Gastritis — 2 reports (10%)
General Physical Health Deterioration — 2 reports (10%)