Inaperisone is a centrally acting muscle relaxant. Inaperisone can inhibit the micturition reflex by acting indirectly on GABAB receptors in the brainstem.
References:
[1]. K Morikawa, et al. Inhibitory effect of inaperisone hydrochloride (inaperisone), a new centrally acting muscle relaxant, on the micturition reflex. Eur J Pharmacol. 1992 Mar 31;213(3):409-15.
[2]. Morikawa K, et al. Inhibitory effect of inaperisone hydrochloride (inaperisone), a new centrally acting muscle relaxant, on the micturition reflex. Eur J Pharmacol. 1992 Mar 31;213(3):409-15.