Assertion: allergy's reaction | /r/HasProperty | swelling
Facets:
value: at the injection site
type: LOCATION
value: hours after
type: TEMPORAL
Source sentences:
text: Serious reactions should be treated with prompt medical care, and include swelling, asthma attacks, or the narrowing of airways.
text: Histamine can also lead to breathing difficulties and a severe allergic reaction called anaphylaxis that can include a sudden drop in blood pressure, an increase in pulse, and tissue swelling.
text: Common local reactions include very mild redness and swelling at the injection site, which can happen immediately or several hours after.