Well, Edith decided that she wasn’t going to drink her milk anymore now that it had begun tasting gross, so we revisited the idea of me force-feeding her. After some trial-and-error, I hit upon the solution, which works well enough: wrap her in a towel, put her flat on her back and straddle her, with one hand hold her cheeks and push them so that she’s making a fish face with her lips, put the syringe in until it’s at the back of her throat and then slowly empty it while blowing steadily in her face.
With this method, I usually get a bit more than 3/4 of a dose down her, but we’ve lost about four full doses in the war, so I’ll have to get a refill from the pediatrician.