Humor me, what did science actually get wrong in this article?
The milk transfusions were shitty solution for lack of blood during a cholera epidemic, but the articles claims are false "In the late 19th century, milk was believed to be the perfect substitute for blood"
Soothing syrup did it's job (pain), we now shy from it because of perception of risks, but no one's ever run clinical trials on small amounts of alcohol + opioids on childrens gums showing any adverse outcomes.
Chloroform is an effective treatment for asthma, and the best we had before the discovery of beta-2 receptor agonists. See this paper for details on the physiology in mice.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5702405/
Cocaine (stimulant) is also likely a somewhat effective treatment for allergies. Take a look at this clinical trial which showed antihistamine + ritalin being a more effective treatment.
https://www.jacionline.org/article/S0091-6749(04)00017-X/ful...
Malaria for treatment of syphilis also makes sense, it was incurable at the time, and the other options were mercury based, ineffective and had horrific side effects. Malaria was better than mercury.
Tobacco enemas can be thought of as a large nicotine delivery mechanism. Newspaper clip says it's helpful with meningitis, inflammation of the brain, nicotine is a vasoconstrictor, crosses the blood brain barrier. Maybe it did something, who knows.