“…There are also case reports of aphthous-like ulceration arising following the use of beta-blockers such as labetalol (Pradalier et al, 1982), alendronate (Gonzalez-Moles and Bagan-Sebastian, 2000), captopril (Seedat, 1979;Nicholls et al, 1981;Corone et al, 1987;Montoner et al, 1990), nicorandil (Boulinguez et al, 1997;Reichart, 1997;AgboGodeau et al, 1998;Cribier et al, 1998;Desruelles et al, 1998;Roussel et al, 1998;Marquart-Elbaz et al, 1999;Shotts et al, 1999), some non-steroidal anti-inflammatory drugs (NSAIDs) (Siegel and Balciunas, 1991;Healy and Thornhill, 1995), mycophenolate or sirolimus (van Gelder et al, 2003), protease inhibitors (Scully and Diz, 2001), tacrolimus (Hernandez et al, 2001), and sulfonamides, though the exact pathogenic mechanisms are unclear in all of these.…”