dipyrone

Endo has sold a pain reliever Dipyrone (Valpirone in Latin America).

To aggravate the situation in these poor African states preparations containing Dipyrone, Aminopyrine and Diiodogydroxyquin are sold over the counter.

Abbott, F.V. and Hellemans, K.G.C. (1997), Comparison of peripheral and central analgesic actions of dipyrone and indomethacin in the formalin test, Society for Neuroscience Abstracts (New Orleans, LA, 27th Annual Meeting).

In early June 2012, Ulrich Busch, Demjanjuk's attorney, filed a complaint with Bavarian prosecutors claiming that the pain medication Novalgin (known in the US as metamizole or dipyrone) that had been administered to Demjanjuk helped lead to his death.