Muhammad Usman Bashir, Hamid Javaid Qureshi.
Analgesic effect of Nigella sativa seeds extract on experimentally induced pain in albino mice.
J Coll Physicians Surg Pak Jan ;20(7):464-7.

Objective: To determine the analgesic effect of ethanolic extract of Nigella sativa seeds on experimentally-induced pain in albino mice. Study Design: Randomized controlled trial (RCT). Place and Duration of Study: Physiology Department, Services Institute of Medical Sciences (SIMS), Lahore, from May to September, 2009. Methodology: The study was carried out in 90 male albino mice using acetic acid induced writhing test as a chemical model of nociception. The mice were divided in three groups of 30 each. Group A was given normal saline (control); group B was given Nigella sativa seed extract in a dose of 50 mg/kg; and group C received diclofenac sodium, as a reference drug. Number of writhings in treated and control groups were compared. Results: The ethanolic extract of Nigella sativa seeds given intraperitoneally caused significant (p < 0.05) analgesic effect on nociceptive response initiated by 0.6% acetic acid; although this analgesic effect was less than that produced by diclofenac sodium. Conclusion: Ethanolic extract of Nigella sativa possessed significant analgesic effect in mice.

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