title: Drug interactions and reactions update.
mesh_terms: D004347:Drug Interactions; D064420:Drug-Related Side Effects and Adverse Reactions; D006635:Histamine H2 Antagonists / Q000009:adverse effects; D006801:Humans; D007252:Influenza Vaccines / Q000009:adverse effects
chemical_list: D006635:Histamine H2 Antagonists; D007252:Influenza Vaccines