Trite remark from medic about to probe blushing woman? (7)

I haven't cracked this one yet — but the brilliant team at Fifteensquared have:

definition: a platitude; a trite and soothing statement. (potassium bromide was formerly used as a sedative) MO (Medical Officer), reversed/”about”; probing inside BRIDE=”blushing woman” (reference to the phrase ‘a blushing bride’)