Definition: The presence of an increased amount of blood in a body part or an organ leading to congestion or engorgement of blood vessels. Hyperemia can be due to increase of blood flow into the area (active or arterial), or due to obstruction of outflow of blood from the area (passive or venous).
Synonyms (terms occurring on more labels are shown first): hyperemia, hyperaemia
More information: PubMed search and possibly Wikipedia
Drugs with this side effect as MedDRA Preferred Term
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