It's all a matter of what you were brought up with and what the attitude at the time was.
Today, if you talk about douches or enemas in other than a condescending manner- Oh, he's a real douche bag- you are probably considered a perv. On the other hand, all things sexual are perfectly OK in general conversation, including four-letter words that used to be extremely offensive.
In the 1950s, most everyone, adults and especially kids, got enemas. Moms took them, dads were given them occasionally, and many kids got them for need or because they seemed 'out of sorts' or as punishment. Some moms had neighbor women give them to their kids, and virtually every hospital visit included them. In fact I've read that at some hospitals the patients routinely got a large volume enema just before discharge.
Today, there are aisles in every drug store and super market selling things for "feminine hygiene" and "digestive health". Coyly named but tampons, douches, laxatives, and enemas. Only today the products are disposable. But they still serve the same functions. Is there any material difference between a vintage Davol Paris Fountain syringe and a Summer's Eve douche or Fleet enema? Both wash someone out in front and behind respectively.
Everyone has to poo and almost everyone sometimes has difficulty. Remember, the person looking at what you are buying only knows what it's for because they have bought and used it themselves in all likelihood. Also, that stunningly pretty cashier smiling at you was sitting on a potty, just like you, within the last day.