Antinociceptive effect of ethanolic extract of Selaginella convoluta in mice.

Background Selaginella convoluta (Arn.) Spring (Selaginellaceae), commonly known as “jerico”, is a medicinal plant found in northeastern Brazil. S. convoluta is used in folk medicine as an antidepressant, aphrodisiac, diuretic, analgesic, anti-inflammatory and it is used to combat amenorrhea, coughing and bleeding. This study was performed to evaluate the antinociceptive effects of ethanolic extract from S. convoluta in mice exposed to chemical and thermal models of nociception.